JEE Main & Advanced Chemistry Nitrogen Containing Compounds Question Bank

done Properties of Nitrogen Containing Compounds Total Questions - 143

• question_answer1)
  Which of the following amine will not react with nitrous acid  to give nitrogen                     [NCERT 1984]
  A)
                  \[C{{H}_{3}}N{{H}_{2}}\]               done clear
  B)
                  \[C{{H}_{3}}-C{{H}_{2}}-N{{H}_{2}}\] done clear
  C)
                  \[\underset{C{{H}_{3}}}{\mathop{\underset{|\,\,\,\,\,\,}{\mathop{C{{H}_{3}}-CH-N{{H}_{2}}}}\,}}\,\]   done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}N\] done clear
  View Solution play_arrow

• question_answer2)
  Which of the following compound is expected to be most basic                                 [NCERT 1982]
  A)
                  Aniline  done clear
  B)
                  Methylamine done clear
  C)
                  Hydroxylamine done clear
  D)
                  Ethylamine done clear
  View Solution play_arrow

• question_answer3)
  Which of the following compounds is an amino acid [Manipal MEE 1995]
  A)
                  \[C{{H}_{3}}-C{{H}_{2}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O-N{{H}_{4}}\] done clear
  B)
                  \[C{{H}_{3}}-\underset{N{{H}_{2}}\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-OH\] done clear
  C)
                  \[C{{H}_{3}}-C{{H}_{2}}-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-N{{H}_{2}}\] done clear
  D)
                  \[C{{H}_{3}}-\underset{N{{H}_{2}}\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-Cl\] done clear
  View Solution play_arrow

• question_answer4)
  Nitro group in nitrobenzene is a                [MNR 1986]
  A)
                  Ortho director   done clear
  B)
                  Meta director done clear
  C)
                  Para director      done clear
  D)
                  Ortho and para director done clear
  View Solution play_arrow

• question_answer5)
  The alkyl cyanides are
  A)
                  Acidic    done clear
  B)
                  Basic done clear
  C)
                  Neutral done clear
  D)
                  Amphoteric done clear
  View Solution play_arrow

• question_answer6)
  The alkyl cyanides when hydrolysed to the corresponding acid, the gas evolved is
  A)
                  \[{{N}_{2}}\]      done clear
  B)
                  \[{{O}_{2}}\] done clear
  C)
                  \[N{{H}_{3}}\]   done clear
  D)
                  \[C{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer7)
  Aniline when treated with \[HN{{O}_{2}}\] and HCl at \[{{0}^{o}}C\] gives [CPMT 1982, 89; RPMT 2000]
  A)
                  Phenol  done clear
  B)
                  Nitrobenzene done clear
  C)
                  A diazo compound          done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer8)
  Nitrosobenzene can be isolated from nitrobenzene under [DPMT 1982]
  A)
                  Metal and acid done clear
  B)
                  Zn dust and \[N{{H}_{4}}Cl\] done clear
  C)
                  Alkaline sodium arsenite done clear
  D)
                  Cannot be isolated done clear
  View Solution play_arrow

• question_answer9)
  Alkyl cyanides when react with Grignard reagent, the product on hydrolysis found, is                     [MP PMT 1980]
  A)
                  Aldehyde            done clear
  B)
                  Ketone done clear
  C)
                  Alcohol done clear
  D)
                  Acid done clear
  View Solution play_arrow

• question_answer10)
  The product formed when benzene is nitrated by fuming nitric acid is                                     [MP PMT 1979]
  A)
                  m-dinitrobenzene           done clear
  B)
                  Nitrobenzene done clear
  C)
                  sym-trinitrobenzene      done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer11)
  Ethyl amine undergoes oxidation in the presence of \[KMn{{O}_{4}}\] to form                                   [CPMT 1985]
  A)
                  An acid done clear
  B)
                  An alcohol done clear
  C)
                  An aldehyde      done clear
  D)
                  A nitrogen oxide done clear
  View Solution play_arrow

• question_answer12)
  Which of the following amines would undergo diazotisation
  A)
                  Primary aliphatic amines               done clear
  B)
                  Primary aromatic amines done clear
  C)
                  Both A and B      done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer13)
  Reaction of primary amines with aldehyde yields [NCERT 1984; Manipal MEE 1995]
  A)
                  Amides done clear
  B)
                  Aldimines done clear
  C)
                  Nitriles  done clear
  D)
                  Nitro compounds done clear
  View Solution play_arrow

• question_answer14)
  When acetamide is treated with \[HN{{O}_{2}},\] the gas is evolved [CPMT 1993]
  A)
                  \[{{H}_{2}}\]       done clear
  B)
                  \[{{O}_{2}}\] done clear
  C)
                  \[{{N}_{2}}\]      done clear
  D)
                  \[C{{H}_{4}}\] done clear
  View Solution play_arrow

• question_answer15)
  Nitrobenzene on nitration gives [NCERT 1978; CPMT 1989]
  A)
                  o-dinitrobenzene            done clear
  B)
                  p-dinitrobenzene done clear
  C)
                  m-dinitrobenzene           done clear
  D)
                  o- and p-nitrobenzene done clear
  View Solution play_arrow

• question_answer16)
  Reduction of alkyl nitrites yields
  A)
                  Alcohol done clear
  B)
                  Base done clear
  C)
                  Amine   done clear
  D)
                  Acid done clear
  View Solution play_arrow

• question_answer17)
  When primary amines are treated with HCl, the product obtained is
  A)
                  An alcohol           done clear
  B)
                  A cyanide done clear
  C)
                  An amide             done clear
  D)
                  Ammonium salt done clear
  View Solution play_arrow

• question_answer18)
  Which one is weakest base         [BHU 1982; RPMT 2000]
  A)
                  Ammonia            done clear
  B)
                  Methylamine done clear
  C)
                  Dimethylamine done clear
  D)
                  Trimethylamine done clear
  View Solution play_arrow

• question_answer19)
  Chloroform when treated with aniline and alcoholic KOH gives   [CPMT 1986; EAMCET 1992;  MP PMT 1997; Pb. PMT 1999]
  A)
                  Phenyl cyanide done clear
  B)
                  Phenyl isocyanide done clear
  C)
                  Chlorobenzene done clear
  D)
                  Phenol done clear
  View Solution play_arrow

• question_answer20)
  Which of following do not react with \[HN{{O}_{2}}\]
  A)
                  Primary nitroalkanes      done clear
  B)
                  Secondary nitroalkanes done clear
  C)
                  Tertiary nitroalkanes      done clear
  D)
                  All of these done clear
  View Solution play_arrow

• question_answer21)
  Primary amines can be distinguished from secondary and tertiary amines by reacting with            [CPMT 1983]
  A)
                  Chloroform and alcoholic KOH done clear
  B)
                  Methyl iodide done clear
  C)
                  Chloroform alone done clear
  D)
                  Zinc dust done clear
  View Solution play_arrow

• question_answer22)
  Which of following is not an usual method for preparation of primary amine
  A)
                  Hofmann's method         done clear
  B)
                  Curtius reaction done clear
  C)
                  Schmidt reaction              done clear
  D)
                  Friedel-Craft's reaction done clear
  View Solution play_arrow

• question_answer23)
  A solution of methyl amine
  A)
                  Turns blue litmus red done clear
  B)
                  Turns red litmus blue done clear
  C)
                  Does not affect red or blue litmus done clear
  D)
                  Bleaches litmus done clear
  View Solution play_arrow

• question_answer24)
  Mark the correct statement [CPMT 1974; DPMT 1983; MP PMT 1994]
  A)
                  Methyl amine is slightly acidic done clear
  B)
                  Methyl amine is less basic than \[N{{H}_{3}}\] done clear
  C)
                  Methyl amine is stronger base than \[N{{H}_{3}}\] done clear
  D)
                  Methyl amine forms salts with alkalies done clear
  View Solution play_arrow

• question_answer25)
  The product of mustard oil reaction is
  A)
                  Alkyl isothiocyanate        done clear
  B)
                  Dithio carbonamide done clear
  C)
                  Dithio ethylacetate         done clear
  D)
                  Thioether done clear
  View Solution play_arrow

• question_answer26)
  Which of the following is azo- group
  A)
                  \[-N=\] done clear
  B)
                  \[-N=N-\] done clear
  C)
                  \[-NH-\]               done clear
  D)
                  \[-CO-NH-\] done clear
  View Solution play_arrow

• question_answer27)
  'Oil of mirbane' is
  A)
                  Aniline  done clear
  B)
                  Nitrobenzene done clear
  C)
                  p-nitroaniline     done clear
  D)
                  p-aminoazobenzene done clear
  View Solution play_arrow

• question_answer28)
  The maximum number of \[-N{{O}_{2}}\] groups that can be introduced by nitration in benzene is usually
  A)
                  4              done clear
  B)
                  2 done clear
  C)
                  3              done clear
  D)
                  6 done clear
  View Solution play_arrow

• question_answer29)
  Nitrobenzene at room temperature is
  A)
                  Gas        done clear
  B)
                  Liquid done clear
  C)
                  Solid      done clear
  D)
                  Solution done clear
  View Solution play_arrow

• question_answer30)
  In the explosive amatol, TNT is mixed with           [CPMT 1988]
  A)
                  Ammonium citrate          done clear
  B)
                  Ammonium nitrate done clear
  C)
                  Ammonium oxalate        done clear
  D)
                  Ammonium sulphate done clear
  View Solution play_arrow

• question_answer31)
  By reduction of nitrosobenzene which of the following is not obtained
  A)
                         done clear
  B)
                  done clear
  C)
                     done clear
  D)
                  done clear
  View Solution play_arrow

• question_answer32)
  By the presence of a halogen atom in the ring, basic properties of aniline is
  A)
                  Increased            done clear
  B)
                  Decreased done clear
  C)
                  Unchanged         done clear
  D)
                  Doubled done clear
  View Solution play_arrow

• question_answer33)
  In the mustard oil reaction, an amine is treated with
  A)
                  \[Na\,/\,{{C}_{2}}{{H}_{5}}OH\]                done clear
  B)
                  \[Sn\,/\,HCl\] done clear
  C)
                  \[C{{S}_{2}}\]     done clear
  D)
                   \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}/{{H}_{2}}S{{O}_{4}}\] done clear
  View Solution play_arrow

• question_answer34)
  Primary nitro compounds when react with \[HN{{O}_{2}}\] forms crystalline solids which on treatment with NaOH gives
  A)
                  Red solution       done clear
  B)
                  Blue solution done clear
  C)
                  White precipitate             done clear
  D)
                  Yellow coloration done clear
  View Solution play_arrow

• question_answer35)
  Secondary nitro compounds when react with \[HN{{O}_{2}}\] forms crystalline solids which one on treatment with NaOH gives
  A)
                  Red solution       done clear
  B)
                  Blue solution done clear
  C)
                  White precipitate             done clear
  D)
                  Yellow colouration done clear
  View Solution play_arrow

• question_answer36)
  Which of the following possess powerful mustard smell (and are called mustard oils)
  A)
                  Alkyl isocyanates              done clear
  B)
                  Alkyl cyanates done clear
  C)
                  Alkyl isothiocyanates      done clear
  D)
                  Alkyl thiocyanates done clear
  View Solution play_arrow

• question_answer37)
  On heating acetamide in presence of \[{{P}_{2}}{{O}_{5}},\] which of the following is formed     [MP PMT 1992; MP PET 1994; Kurukshetra CEE 1998]
  A)
                  Ammonium acetate        done clear
  B)
                  Acetonitrile done clear
  C)
                  \[N{{H}_{3}}\]   done clear
  D)
                  Methylamines done clear
  View Solution play_arrow

• question_answer38)
  When chloroform reacts with ethyl amine in presence of alcoholic KOH, the compound formed is [CPMT 1983; MP PMT 1993; CBSE PMT 1997; BHU 1999; AIEEE 2002]
  A)
                  Ethyl cyanide     done clear
  B)
                  Ethyl isocyanide done clear
  C)
                  Formic acid         done clear
  D)
                  An amide done clear
  View Solution play_arrow

• question_answer39)
  When methyl cyanide is hydrolysed in presence of alkali, the product is [MP PMT 1993; BCECE 2005]
  A)
                  Acetamide          done clear
  B)
                  Methane done clear
  C)
                  \[C{{O}_{2}}+{{H}_{2}}O\]            done clear
  D)
                  Acetic acid done clear
  View Solution play_arrow

• question_answer40)
  Hofmann's hypobromite reaction affords a method of [MP PMT 1993]
  A)
                  Preparing a tertiary amine done clear
  B)
                  Preparing a mixture of amines done clear
  C)
                  Stepping down a series done clear
  D)
                  Stepping up a series done clear
  View Solution play_arrow

• question_answer41)
  The compound which on reaction with aqueous nitrous acid on \[HN{{O}_{2}}\] at low temperature produces an oily nitrosoamine is [IIT 1981; CPMT 1989; MP PET/PMT 1998; Kurukshetra CEE 1998; MP PMT 2001]
  A)
                  Diethylamine     done clear
  B)
                  Ethylamine done clear
  C)
                  Aniline  done clear
  D)
                  Methylamine done clear
  View Solution play_arrow

• question_answer42)
  Identify the product Z  in the series \[C{{H}_{3}}CN\xrightarrow{Na+{{C}_{2}}{{H}_{5}}OH}X\xrightarrow{HN{{O}_{2}}}Y\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{{{K}_{2}}C{{r}_{2}}{{O}_{7}}}}}\,Z\] [AIIMS 1983; JIPMER 2001]
  A)
                  \[C{{H}_{3}}CHO\]           done clear
  B)
                  \[C{{H}_{3}}CON{{H}_{2}}\] done clear
  C)
                  \[C{{H}_{3}}COOH\]        done clear
  D)
                  \[C{{H}_{3}}C{{H}_{2}}NHOH\] done clear
  View Solution play_arrow

• question_answer43)
  The end product of the reactions is                 \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\xrightarrow{HN{{O}_{2}}}A\xrightarrow{PC{{l}_{5}}}B\xrightarrow{H.N{{H}_{2}}}C\] [CPMT 1988, 89, 93; DCE 1999; JIPMER 2000]
  A)
                  Ethyl cyanide     done clear
  B)
                  Ethyl amine done clear
  C)
                  Methyl amine    done clear
  D)
                  Acetamide done clear
  View Solution play_arrow

• question_answer44)
  Primary and secondary amines are distinguished by [AMU 1988; MP PMT 1996]
  A)
                  \[B{{r}_{2}}/KOH\]          done clear
  B)
                  \[HCl{{O}_{4}}\] done clear
  C)
                  \[HN{{O}_{2}}\]                done clear
  D)
                  \[N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer45)
  Which one of the following will give a primary amine on hydrolysis                                           [BHU 1982]
  A)
                  Nitroparaffin      done clear
  B)
                  Alkyl cyanide done clear
  C)
                  Oxime   done clear
  D)
                  Alkyl isocyanide done clear
  View Solution play_arrow

• question_answer46)
  Methyl amine reacts with \[HN{{O}_{2}}\] giving               [RPMT 1997]
  A)
                  \[C{{H}_{3}}O-N=O\]      done clear
  B)
                  \[C{{H}_{3}}-O-C{{H}_{3}}\] done clear
  C)
                  \[C{{H}_{3}}OH\]              done clear
  D)
                  A and B both done clear
  View Solution play_arrow

• question_answer47)
  Nitrobenzene on reduction by zinc and \[N{{H}_{4}}Cl\] gives [CPMT 1989, 94; BHU 1996; Pb. PMT 1999]
  A)
                  Aniline  done clear
  B)
                  Nitrosobenzene done clear
  C)
                  Hydrazobenzene             done clear
  D)
                  Phenylhydroxyl amine done clear
  View Solution play_arrow

• question_answer48)
  The decreasing order of the basic character of the three amines and ammonia is               [MP PET/PMT 1988; KCET 1990]
  A)
                  \[N{{H}_{3}}>C{{H}_{3}}N{{H}_{2}}>{{C}_{2}}{{H}_{5}}N{{H}_{2}}>{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  B)
                  \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}>C{{H}_{3}}N{{H}_{2}}>N{{H}_{3}}>{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}>{{C}_{2}}{{H}_{5}}N{{H}_{2}}>C{{H}_{3}}N{{H}_{2}}>N{{H}_{3}}\] done clear
  D)
                  \[C{{H}_{3}}N{{H}_{2}}>{{C}_{2}}{{H}_{5}}N{{H}_{2}}>{{C}_{6}}{{H}_{5}}N{{H}_{2}}>N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer49)
  Correct order of increasing basicity is      [CBSE PMT 1992]
  A)
  \[N{{H}_{3}}<{{C}_{6}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N\] done clear
  B)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<N{{H}_{3}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<N{{H}_{3}}<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{({{C}_{2}}{{H}_{5}})}_{2}}NH\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N<N{{H}_{3}}<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH\] done clear
  View Solution play_arrow

• question_answer50)
  Among the following compounds nitrobenzene, benzene, aniline and phenol, the strongest basic behaviour in acid medium is exhibited by [KCET 1993]
  A)
                  Phenol  done clear
  B)
                  Aniline done clear
  C)
                  Nitrobenzene    done clear
  D)
                  Benzene done clear
  View Solution play_arrow

• question_answer51)
  Aniline on treatment with excess of bromine water gives [AFMC 1990; MP PMT 1991; RPMT 1997]
  A)
                  Aniline bromide                done clear
  B)
                  o-bromoaniline done clear
  C)
                  p-bromoaniline done clear
  D)
                  2, 4, 6-tribromoaniline done clear
  View Solution play_arrow

• question_answer52)
  Unpleasant smelling carbylamines are formed by heating alkali and chloroform with [KCET 1987, 2000, 01]
  A)
                  Any amine          done clear
  B)
                  Any aliphatic amine done clear
  C)
                  Any aromatic amine        done clear
  D)
                  Any primary amine done clear
  View Solution play_arrow

• question_answer53)
  When an organic compound was treated with sodium nitrite and hydrochloric acid in the ice cold, nitrogen gas was evolved copiously. The compound is        [KCET 1986]
  A)
                  A nitro compound done clear
  B)
                  A primary amine done clear
  C)
                  An aliphatic primary amine done clear
  D)
                  An aromatic primary amine done clear
  View Solution play_arrow

• question_answer54)
  Aniline reacts with alkyl halide to give     [KCET 1984]
  A)
                  Amino compound done clear
  B)
                  Tertiary compound done clear
  C)
                  Quaternary ammonium compound done clear
  D)
                  Azomethane done clear
  View Solution play_arrow

• question_answer55)
  Aniline on treatment with conc. \[HN{{O}_{3}}+\] conc.  \[{{H}_{2}}S{{O}_{4}}\] mixture yields                                   [AIIMS 1992]
  A)
                  o- and p-nitroanilines     done clear
  B)
                  m-nitroanilines done clear
  C)
                  A black tarry matter        done clear
  D)
                  No reaction done clear
  View Solution play_arrow

• question_answer56)
  Which statement is not correct  [MP PMT 1995]
  A)
                  Amines form hydrogen bond done clear
  B)
                  Ethyl amine has higher boiling point than propane done clear
  C)
                  Methyl amine is more basic than ammonia done clear
  D)
                  Dimethyl amine is less basic than methyl amine done clear
  View Solution play_arrow

• question_answer57)
  Which of the following is not used as an explosive [MP PET 1996]
  A)
                  Trinitrotoluene done clear
  B)
                  Trinitrobenzene done clear
  C)
                  Picric acid             done clear
  D)
                  Nitrobenzene done clear
  View Solution play_arrow

• question_answer58)
  Primary amines react with nitrous acid to yield
  A)
                  Insoluble nitrite salts      done clear
  B)
                  Yellow oily layer done clear
  C)
                  Nitrogen gas      done clear
  D)
                  Azo dye done clear
  View Solution play_arrow

• question_answer59)
  Which of the following has the smell of bitter almonds
  A)
                  Nitromethane   done clear
  B)
                  Nitroethane done clear
  C)
                  Nitrobenzene    done clear
  D)
                  Aniline done clear
  View Solution play_arrow

• question_answer60)
  The reaction of \[HN{{O}_{2}}\] with 'A' gives quaternary ammonium salt. A is                                    [MP PMT 1997]
  A)
                  Methyl amine    done clear
  B)
                  Dimethyl amine done clear
  C)
                  Trimethyl amine               done clear
  D)
                  Aniline done clear
  View Solution play_arrow

• question_answer61)
  Reaction of nitrous acid with aliphatic primary amine in the cold gives     [MP PET/PMT 1998; CBSE PMT 1994]
  A)
                  A diazonium salt               done clear
  B)
                  An alcohol done clear
  C)
                  A nitrite                done clear
  D)
                  A dye done clear
  View Solution play_arrow

• question_answer62)
  In presence of acid, hydrolysis of methyl cyanide gives [MP PET/PMT 1998]
  A)
                  Acetic acid           done clear
  B)
                  Methylamine done clear
  C)
                  Methyl alcohol  done clear
  D)
                  Formic acid done clear
  View Solution play_arrow

• question_answer63)
  The amine which does not react with acetyl chloride is or Which of the following cannot be acetylated [MP PET 1999; MP PMT 1999]
  A)
                  \[C{{H}_{3}}N{{H}_{2}}\]               done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}NH\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}N\]              done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer64)
  The fusion of sodium with amine gives mainly [MP PMT 1999; CPMT 2002]
  A)
                  NaCN    done clear
  B)
                  \[Na{{N}_{3}}\] done clear
  C)
                  NaSCN  done clear
  D)
                  \[NaN{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer65)
  Which of the following is most basic        [MP PMT 1999]
  A)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]                done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}NH\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}N\]              done clear
  D)
                  \[N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer66)
  In reaction                 \[C{{H}_{3}}CN+2H\underset{\text{Ether}}{\mathop{\xrightarrow{HCl}}}\,X\xrightarrow{\text{Boiling }{{H}_{2}}O}Y;\] the term Y is [CBSE PMT 1999]
  A)
                  Acetone               done clear
  B)
                  Ethylamine done clear
  C)
                  Acetaldehyde    done clear
  D)
                  Dimethylamine done clear
  View Solution play_arrow

• question_answer67)
  The following compound can be classified as N-N dimethyl propanamine, N-methyl aniline and aniline [Bihar MEE 1996]
  A)
                  Primary, secondary, tertiary done clear
  B)
                  Primary, tertiary, secondary done clear
  C)
                  Secondary, tertiary, primary done clear
  D)
                  Tertiary, primary, secondary done clear
  E)
                  None of these done clear
  View Solution play_arrow

• question_answer68)
  Which of the following compounds does not react with \[NaN{{O}_{2}}\] and HCl                                             [KCET 1996]
  A)
                  \[{{C}_{6}}{{H}_{5}}OH\]               done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}CN{{O}_{2}}\]         done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}CHN{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer69)
  In the reduction of nitrobenzene, which of the following is the intermediate                                      [CPMT 1999]
  A)
                  \[{{C}_{6}}{{H}_{5}}N=O\] done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}NH-NH-{{C}_{6}}{{H}_{5}}\] done clear
  C)
                  \[{{C}_{6}}{{H}_{5}}-N=N-{{C}_{6}}{{H}_{5}}\] done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}N=\overset{O}{\mathop{\overset{\uparrow }{\mathop{N}}\,}}\,-{{C}_{6}}{{H}_{5}}\] done clear
  View Solution play_arrow

• question_answer70)
  Aniline when treated with conc. \[HN{{O}_{3}}\] gives [KCET 1996]
  A)
                  done clear
  B)
                  done clear
  C)
                       done clear
  D)
                  done clear
  View Solution play_arrow

• question_answer71)
  Which one of the following is not a base               [EAMCET 1997]
  A)
                  \[{{N}_{2}}{{H}_{4}}\]    done clear
  B)
                  \[N{{H}_{2}}OH\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}N\]              done clear
  D)
                  \[H{{N}_{3}}\] done clear
  View Solution play_arrow

• question_answer72)
  p-Nitrobromobenzene can be converted to p-nitroaniline by using \[NaN{{H}_{2}}\]. The reaction proceeds through the intermediate named      [Orissa JEE 2005]
  A)
                  Carbocation        done clear
  B)
                  Carbanion done clear
  C)
                  Benzyne              done clear
  D)
                  Dianion done clear
  View Solution play_arrow

• question_answer73)
  If methyl is alkyl group, then which order of basicity is correct                                     [RPMT 1997]
  A)
                  \[{{R}_{2}}NH>RN{{H}_{2}}>{{R}_{3}}N>N{{H}_{3}}\] done clear
  B)
                  \[{{R}_{2}}NH>{{R}_{3}}N>RN{{H}_{2}}>N{{H}_{3}}\] done clear
  C)
                  \[RN{{H}_{2}}>N{{H}_{3}}>{{R}_{2}}NH>{{R}_{3}}N\] done clear
  D)
                  \[N{{H}_{3}}>RN{{H}_{2}}>{{R}_{2}}NH>{{R}_{3}}N\] done clear
  View Solution play_arrow

• question_answer74)
  Which of the following has the minimum heat of dissociation [Roorkee Qualifying 1998]
  A)
                  \[{{(C{{H}_{3}})}_{3}}N\to B{{F}_{3}}\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{3}}N\to B(C{{H}_{3}}){{F}_{2}}\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}N\to B{{(C{{H}_{3}})}_{2}}F\]           done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}N\to B{{(C{{H}_{3}})}_{3}}\] done clear
  View Solution play_arrow

• question_answer75)
  The major product (70% to 80%) of the reaction between m-dinitrobenzene with \[N{{H}_{4}}HS\] is [AIIMS 1997]
  A)
                            done clear
  B)
                  done clear
  C)
                    done clear
  D)
                  done clear
  View Solution play_arrow

• question_answer76)
  Which one is less alkaline             [CPMT 1997]
  A)
                      done clear
  B)
                    done clear
  C)
                  done clear
  D)
                  All of these done clear
  View Solution play_arrow

• question_answer77)
  In the diazotisation of aniline with sodium nitrite and hydrochloric acid, an excess of hydrochloric acid is used primarily to                [Pb. PMT 1998]
  A)
                  Suppress the concentration of free aniline available for coupling done clear
  B)
                  Suppress hydrolysis of phenol done clear
  C)
                  Insure a stoichiometric amount of nitrous acid done clear
  D)
                  Neutralize the base liberated done clear
  View Solution play_arrow

• question_answer78)
  A primary amine can be converted to an alcohol by the action of                                               [CET Pune 1998]
  A)
                  Alkali     done clear
  B)
                  Nitrous acid done clear
  C)
                  Reducing agent done clear
  D)
                  Oxidizing agent done clear
  View Solution play_arrow

• question_answer79)
  Arrange the following in increasing order of basicity \[C{{H}_{3}}N{{H}_{2}},\,\,{{(C{{H}_{3}})}_{2}}NH,\,{{C}_{6}}{{H}_{5}}N{{H}_{2}},\,{{(C{{H}_{3}})}_{3}}N\] [AFMC 1997]
  A)
                  \[{{(C{{H}_{3}})}_{3}}N<{{(C{{H}_{3}})}_{2}}NH<C{{H}_{3}}N{{H}_{2}}<{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{3}}N>{{(C{{H}_{3}})}_{2}}NH>C{{H}_{3}}N{{H}_{2}}>{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}<{{(C{{H}_{3}})}_{3}}N<C{{H}_{3}}N{{H}_{2}}<{{(C{{H}_{3}})}_{2}}NH\] done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}>{{(C{{H}_{3}})}_{3}}N>C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{2}}NH\] done clear
  View Solution play_arrow

• question_answer80)
  In the reaction \[C{{H}_{3}}CN+C{{H}_{3}}MgI\to A\xrightarrow{{{H}_{2}}O/{{H}^{+}}}B\] The compound B is                          [KCET 1999]
  A)
                  Acetic acid           done clear
  B)
                  Acetone done clear
  C)
                  Acetaldehyde    done clear
  D)
                  Ethyl alcohol done clear
  View Solution play_arrow

• question_answer81)
  \[C{{H}_{3}}CN\] is known as acetonitrile because            [AMU 1999]
  A)
                  It contains an aceto group done clear
  B)
                  On hydrolysis it gives acetic acid done clear
  C)
                  Both A and B done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer82)
  What is formed, when nitrobenzene is reduced using zinc and alkali        [BHU 2000; AIIMS 2000; CBSE PMT 2000; MH CET 2003]
  A)
                  Phenol  done clear
  B)
                  Aniline done clear
  C)
                  Nitrosobenzene               done clear
  D)
                  Hydrazobenzene done clear
  View Solution play_arrow

• question_answer83)
  \[RCOCl+2M{{e}_{2}}NH\to A+M{{e}_{2}}\overset{+\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{N{{H}_{2}}C{{l}^{-}}}}\,\]Here A is                                [RPET 2000]
  A)
                  done clear
  B)
                  \[RCON{{H}_{2}}\] done clear
  C)
                  \[RCONHMe\]   done clear
  D)
                  \[{{(RCO)}_{2}}NH\] done clear
  View Solution play_arrow

• question_answer84)
  Decreasing order of basicity is    [RPET 2000] (1)          \[C{{H}_{3}}CON{{H}_{2}}\]         (2)          \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\] (3)          Ph?\[C{{H}_{2}}CON{{H}_{2}}\]
  A)
                  1 > 2 > 3                done clear
  B)
                  2 > 1 > 3 done clear
  C)
                  3 > 2 > 1                done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer85)
  Among the following, the strongest base is  [UPSEAT 2000; IIT-JEE (Screening) 2000]
  A)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]                done clear
  B)
                  \[p-N{{O}_{2}}{{C}_{6}}{{H}_{4}}N{{H}_{2}}\] done clear
  C)
                  \[m-N{{O}_{2}}-{{C}_{6}}{{H}_{4}}N{{H}_{2}}\]   done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer86)
  Aniline and methyl amine can be differentiated by  [DPMT 2000]
  A)
                  Reaction with chloroform and aqueous solution of KOH done clear
  B)
                  Diazotisation followed by coupling with phenol done clear
  C)
                  Reaction with \[HN{{O}_{2}}\] done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer87)
  The amine which can react with \[{{C}_{6}}{{H}_{5}}-S{{O}_{2}}-Cl\] to form a product insoluble in alkali shall be [AMU 2000]
  A)
                  Primary amine done clear
  B)
                  Secondary amine done clear
  C)
                  Tertiary amine done clear
  D)
                  Both primary and secondary amines done clear
  View Solution play_arrow

• question_answer88)
  A mixture of benzene and aniline can be separated by [KCET (Engg.) 2001]
  A)
                  Hot water done clear
  B)
                  dil. HCl done clear
  C)
                  dil. NaOH             done clear
  D)
                  Alcohol done clear
  View Solution play_arrow

• question_answer89)
  Nitrobenzene on further excessive nitration gives  [AFMC 2001]
  A)
                  Trinitrobenzene               done clear
  B)
                  m-dinitrobenzene done clear
  C)
                  p-dinitrobenzene            done clear
  D)
                  All of these done clear
  View Solution play_arrow

• question_answer90)
  The compound A with following sequence of reaction gave benzoic acid \[A\xrightarrow{NaN{{O}_{2}}/HCl}B\xrightarrow{KCN}C\xrightarrow{{{H}_{3}}{{O}^{+}}}\] benzoic acid. The compound A is                             [AMU 2001]
  A)
                  Nitrobenzene    done clear
  B)
                  Aniline done clear
  C)
                  Benzaldehyde   done clear
  D)
                  Amides done clear
  View Solution play_arrow

• question_answer91)
  Which of the following chemicals are used to manufacture methyl isocyanate that caused ?Bhopal Tragedy? (i)            Methylamine     (ii)           Phosgene (iii)          Phosphine          (iv)         Dimethylamine [AIIMS 2005]
  A)
                  (i) and (iii) done clear
  B)
                  (iii) and (iv) done clear
  C)
                  (i) and (ii)             done clear
  D)
                  (ii) and (iv) done clear
  View Solution play_arrow

• question_answer92)
  An isocyanide on hydrolysis gives             [AMU 2001]
  A)
                  An amide done clear
  B)
                  A carboxylic acid and ammonia done clear
  C)
                  A N-substituted amide done clear
  D)
                  A 1o-amine and formic acid done clear
  View Solution play_arrow

• question_answer93)
  Methyl isocyanide on hydrolysis gives    [UPSEAT 2001]
  A)
                  \[C{{H}_{3}}N{{H}_{2}}\]               done clear
  B)
                  HCOOH done clear
  C)
                  \[C{{H}_{3}}COOH\]        done clear
  D)
                  Both A and B done clear
  View Solution play_arrow

• question_answer94)
  Pure aniline is a                                 [UPSEAT 2001]
  A)
                  Colourless solid done clear
  B)
                  Brown coloured solid done clear
  C)
                  Colourless liquid done clear
  D)
                  Brown coloured liquid done clear
  View Solution play_arrow

• question_answer95)
  Reduction of methyl isocyanide gives     [RPMT 2002]
  A)
                  Ethylamine         done clear
  B)
                  Methylamine done clear
  C)
                  Dimethylamine done clear
  D)
                  Trimethylamine done clear
  View Solution play_arrow

• question_answer96)
  Reaction of aniline with benzaldehyde is               [RPMT 2002]
  A)
                  Polymerisation  done clear
  B)
                  Condensation done clear
  C)
                  Addition               done clear
  D)
                  Substitution done clear
  View Solution play_arrow

• question_answer97)
  In the reaction \[{{C}_{6}}{{H}_{5}}CHO+{{C}_{6}}{{H}_{5}}N{{H}_{2}}\to \]\[{{C}_{6}}{{H}_{5}}N=HC{{C}_{6}}{{H}_{5}}+{{H}_{2}}O,\] the compound \[{{C}_{6}}{{H}_{5}}N=CH{{C}_{6}}{{H}_{5}}\] is known as [RPMT 2000; AIIMS 2002; AMU 2001]
  A)
                  Aldol      done clear
  B)
                  Schiff?s reagent done clear
  C)
                  Schiff?s base       done clear
  D)
                  Benedict reagent done clear
  View Solution play_arrow

• question_answer98)
  The unshared pair of electrons on a cyanide ion can acts as [Kerala (Med.) 2002]
  A)
                  Isocyanide centre            done clear
  B)
                  Amido centre done clear
  C)
                  Cationic centre  done clear
  D)
                  Nucleophilic centre done clear
  View Solution play_arrow

• question_answer99)
  Electrophilic substitution of with bromine gives [Kerala (Med.) 2002]
  A)
                  1, 4, 6-tribromo aniline done clear
  B)
                  2, 4, 6-tribromo aniline done clear
  C)
                  4-bromo aniline done clear
  D)
                  3-bromo aniline done clear
  View Solution play_arrow

• question_answer100)
  Mustard gas is obtained by          [MP PET 2002]
  A)
                  The action of dilute acids on mustard seeds done clear
  B)
                  Treating ethylene with mustard oil done clear
  C)
                  Treating sulphur chloride with ethylene done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer101)
  Which of the following is capable of forming a zwitter ion [JIPMER 2002]
  A)
                  \[{{C}_{6}}{{H}_{5}}-OH\]             done clear
  B)
                  \[{{C}_{6}}{{H}_{4}}{{(N{{H}_{2}})}_{2}}\] done clear
  C)
                 \[\underset{C{{H}_{2}}OH\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C{{H}_{2}}OH}}\,}}\,\]                done clear
  D)
                  \[{{H}_{2}}N-C{{H}_{2}}-COOH\] done clear
  View Solution play_arrow

• question_answer102)
  Which one of the following reducing agents is likely to be the most effective in bringing about the following change \[R-\overset{O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\overset{||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{C\,N{{H}_{2}}\to RC{{H}_{2}}N{{H}_{2}}}}\,}}\,\]  [AMU 2002]
  A)
                  \[{{H}_{2}}-Ni\]                done clear
  B)
                  \[NaB{{H}_{4}}\] done clear
  C)
                  \[LiAl{{H}_{4}}\]                done clear
  D)
                  Na-alcohol done clear
  View Solution play_arrow

• question_answer103)
  During acetylation of amines  what is replaced by acetyl groups                                 [UPSEAT 2002]
  A)
                  Hydrogen atom attached to nitrogen atom done clear
  B)
                  One or more hydrogen atoms attached to carbon atom done clear
  C)
                  One or more hydrogen atoms attached to nitrogen atom done clear
  D)
                  Hydrogen atoms attached to either carbon atom or nitrogen atom done clear
  View Solution play_arrow

• question_answer104)
  Hydrolysis of acetonitrile in acidic medium produces [CPMT 2003; RPMT 2003]
  A)
                  \[C{{H}_{3}}C{{H}_{2}}OH\]         done clear
  B)
                  \[C{{H}_{3}}COOH\] done clear
  C)
                  \[C{{H}_{3}}NC\]              done clear
  D)
                  \[C{{H}_{3}}COOC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer105)
  Which has a pyramidal structure               [UPSEAT 2003]
  A)
                  Trimethylamine                done clear
  B)
                  Methanol done clear
  C)
                  Acetylene           done clear
  D)
                  Water done clear
  View Solution play_arrow

• question_answer106)
  Ethyl amine on acetylation gives               [BHU 2002; BVP 2003]
  A)
                  N-ethyl acetamide done clear
  B)
                  Acetamide done clear
  C)
                  Methyl acetamide done clear
  D)
                  None done clear
  View Solution play_arrow

• question_answer107)
  The refluxing of \[{{(C{{H}_{3}})}_{2}}NCOC{{H}_{3}}\]with acid gives  [BHU 2002; BVP 2003]
  A)
                  \[{{(C{{H}_{3}})}_{2}}NH+C{{H}_{3}}COOH\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}NCOOH+C{{H}_{4}}\] done clear
  C)
                  \[2C{{H}_{3}}OH+C{{H}_{3}}CON{{H}_{2}}\] done clear
  D)
                  \[2C{{H}_{3}}N{{H}_{2}}+C{{H}_{3}}COOH\] done clear
  View Solution play_arrow

• question_answer108)
  p-chloro aniline and anilinium hydrogen chloride can be distinguished by                              [UPSEAT 2003]
  A)
                  Sandmaeyer reaction done clear
  B)
                  Carbyl amine reaction done clear
  C)
                  Hinsberg?s reaction done clear
  D)
                  \[AgN{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer109)
             Product ?A? in above reaction is                                 [RPMT 2003]
  A)
                  done clear
  B)
                  done clear
  C)
                  done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer110)
  Product obtained by electrolytic reduction of nitrobenzene in presence of \[{{H}_{2}}S{{O}_{4}}\] is          [RPMT 2003]
  A)
                  o-amino phenol                done clear
  B)
                  m-amino phenol done clear
  C)
                  p-amino phenol done clear
  D)
                  None of these done clear
  View Solution play_arrow

• question_answer111)
     \[+N{{H}_{2}}OH\to A\underset{{{H}_{3}}{{O}^{+}}}{\mathop{\xrightarrow{PPA}}}\,B\]. The product ?B? is             [RPMT 2003]
  A)
                       done clear
  B)
                  done clear
  C)
                  done clear
  D)
                  done clear
  View Solution play_arrow

• question_answer112)
  Identify the product Z in the following reaction \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow{{{(AC)}_{2}}O}\]\[X\xrightarrow{B{{r}_{2}}/CC{{l}_{4}}}Y\xrightarrow{HOH}Z\] [Kerala (Med.) 2003]
  A)
                  p-Bromoaniline                 done clear
  B)
                  p -Bromoacetophenone done clear
  C)
                  o-Bromoacetophenone                done clear
  D)
                  o-Bromoacetonilide done clear
  View Solution play_arrow

• question_answer113)
  Benzaldehyde condenses with N, N-dimethylaniline in presence of anhydrous \[ZnC{{l}_{2}}\] to give    [Kerala (Med.) 2003]
  A)
                  Michler?s ketone              done clear
  B)
                  Azo dye done clear
  C)
                  Malachite green done clear
  D)
                  Buffer yellow done clear
  View Solution play_arrow

• question_answer114)
  The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I) benzene (II) and nitrobenzene (III) is          [CBSE PMT 2003]
  A)
                  I > II > III               done clear
  B)
                  III > II > I done clear
  C)
                  II > III > I               done clear
  D)
                  I < II > III done clear
  View Solution play_arrow

• question_answer115)
  The final product C, obtained in this reaction             Would be                 [CBSE PMT 2003]
  A)
                  done clear
  B)
                  done clear
  C)
                  done clear
  D)
                  done clear
  View Solution play_arrow

• question_answer116)
  The correct order of increasing basic nature for the bases \[N{{H}_{3}},\,C{{H}_{3}}N{{H}_{2}}\] and \[{{(C{{H}_{3}})}_{2}}NH\] is         [AIEEE 2003]
  A)
                  \[C{{H}_{3}}N{{H}_{2}}<N{{H}_{3}}<{{(C{{H}_{3}})}_{2}}NH\] done clear
  B)
                  \[{{(C{{H}_{3}})}_{2}}NH<N{{H}_{3}}<C{{H}_{3}}N{{H}_{2}}\] done clear
  C)
                  \[N{{H}_{3}}<C{{H}_{3}}N{{H}_{2}}<{{(C{{H}_{3}})}_{2}}NH\] done clear
  D)
                  \[C{{H}_{3}}N{{H}_{2}}<{{(C{{H}_{3}})}_{2}}NH<N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer117)
  Nitrobenzene gives N-phenylhydroxylamine by  [AIIMS 2003]
  A)
                  \[Sn/HCl\]           done clear
  B)
                  \[{{H}_{2}}/Pd-C\] done clear
  C)
                  \[Zn/NaOH\]      done clear
  D)
                  \[Zn/N{{H}_{4}}Cl\] done clear
  View Solution play_arrow

• question_answer118)
  Among the following the weakest base is              [AIIMS 2003]
  A)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}\]           done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}NHC{{H}_{3}}\] done clear
  C)
                  \[{{O}_{2}}N\,C{{H}_{2}}N{{H}_{2}}\]      done clear
  D)
                  \[C{{H}_{3}}NH\,CHO\] done clear
  View Solution play_arrow

• question_answer119)
  The correct order of basicity of amines in water is : [Pb. CET 2003]
  A)
                  \[{{(C{{H}_{3}})}_{2}}NH>{{(C{{H}_{3}})}_{3}}N>C{{H}_{3}}N{{H}_{2}}\] done clear
  B)
                  \[C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{2}}NH>{{(C{{H}_{3}})}_{3}}N\] done clear
  C)
                  \[{{(C{{H}_{3}})}_{3}}N>{{(C{{H}_{3}})}_{2}}NH>C{{H}_{3}}N{{H}_{2}}\] done clear
  D)
                  \[{{(C{{H}_{3}})}_{3}}N>C{{H}_{3}}N{{H}_{2}}>{{(C{{H}_{3}})}_{2}}NH\] done clear
  View Solution play_arrow

• question_answer120)
  Complete the following reaction :                            [MHCET 2004]                 \[R\,\,N{{H}_{2}}+{{H}_{2}}S{{O}_{4}}\to \]
  A)
                  \[{{[R\,\,N{{H}_{3}}]}^{+}}HSO_{4}^{-}\]               done clear
  B)
                  \[[R\,\,N{{H}_{3}}]_{2}^{+}SO_{4}^{2-}\] done clear
  C)
                  \[R\,\,N{{H}_{2}}.{{H}_{2}}S{{O}_{4}}\]  done clear
  D)
                  No reaction done clear
  View Solution play_arrow

• question_answer121)
  Which of the following compound reacts with chloroform and a base to form phenyl isocyanide?              [MHCET 2003]
  A)
                  Phenol  done clear
  B)
                  Aniline done clear
  C)
                  Benzene              done clear
  D)
                  Nitro benzene done clear
  View Solution play_arrow

• question_answer122)
  Which one doesn't liberate \[N{{H}_{3}}\] when undergoes hydrolysis                                   [Orissa JEE 2005]
  A)
                  Acetanilide         done clear
  B)
                  Acetonitrile done clear
  C)
                  Acetamide          done clear
  D)
                  Phenyl isocyanide done clear
  View Solution play_arrow

• question_answer123)
  A nitrogen containing organic compound gave an oily liquid on heating with bromine and potassium hydroxide solution. On shaking the product with acetic anhydride, an antipyretic drug was obtained. The reactions indicate that the starting compound is                                      [KCET 2004]
  A)
                  Aniline  done clear
  B)
                  Benzamide done clear
  C)
                  Acetamide          done clear
  D)
                  Nitrobenzene done clear
  View Solution play_arrow

• question_answer124)
  Benzamide on reaction with \[POC{{l}_{3}}\] gives           [IIT-JEE 2004]
  A)
                  Aniline  done clear
  B)
                  Chlorobenzene done clear
  C)
                  Benzyl amine     done clear
  D)
                  Benzonitrile done clear
  View Solution play_arrow

• question_answer125)
  Among the following which one does not act as an intermediate in Hofmann rearrangement      [AIIMS 2005]
  A)
                  \[RNCO\]             done clear
  B)
                  \[RCO\overset{\,.\ .}{\mathop{N}}\,\] done clear
  C)
                  \[RCO\overset{\,.\ .}{\mathop{N}}\,HBr\]           done clear
  D)
                  \[RNC\] done clear
  View Solution play_arrow

• question_answer126)
  Aniline reacts with which of these to form Schiff base [AFMC 2004]
  A)
                  Acetic acid           done clear
  B)
                  Benzaldehyde done clear
  C)
                  Acetone               done clear
  D)
                  \[N{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer127)
  Which of the following does not reduce Tollen?s reagent [Kerala PMT 2004]
  A)
                  \[C{{H}_{3}}CHO\]           done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}NHOH\] done clear
  C)
                  \[HCOOH\]         done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}N{{O}_{2}}\] done clear
  E)
                  None of these done clear
  View Solution play_arrow

• question_answer128)
  Which one of the following compound is most basic? [UPSEAT 2004]
  A)
                  A             done clear
  B)
                  B done clear
  C)
                  C             done clear
  D)
                  All are equally basic done clear
  View Solution play_arrow

• question_answer129)
  Which one of the following methods is neither meant for the synthesis nor for separation of amines      [AIEEE 2005]
  A)
                  Hinsberg method             done clear
  B)
                  Hofmann method done clear
  C)
                  Wurtz reaction  done clear
  D)
                  Curtius reaction done clear
  View Solution play_arrow

• question_answer130)
  Aniline in a set of reactions yielded a product D. The structure of product D would be      [CBSE PMT 2005]
  A)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}\]           done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}NH\,C{{H}_{2}}C{{H}_{3}}\] done clear
  C)
                  \[{{C}_{6}}{{H}_{5}}NHOH\]        done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}OH\] done clear
  View Solution play_arrow

• question_answer131)
  Electrolytic reduction of nitrobenzene in weakly acidic medium gives                                      [CBSE PMT 2005]
  A)
                  Aniline  done clear
  B)
                  Nitrosobenzene done clear
  C)
                  N-Phenylhydroxylamine               done clear
  D)
                  p-Hydroxylaniline done clear
  View Solution play_arrow

• question_answer132)
  Among the following compounds \[{{C}_{3}}{{H}_{7}}N{{H}_{2}},\] \[N{{H}_{3}},C{{H}_{3}}N{{H}_{2}},\]\[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\] and \[{{C}_{6}}{{H}_{5}}N{{H}_{2}},\] the least basic compound is
  A)
                  \[{{C}_{3}}{{H}_{7}}N{{H}_{2}}\]                done clear
  B)
                  \[N{{H}_{3}}\] done clear
  C)
                  \[C{{H}_{3}}N{{H}_{2}}\]               done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  E)
                  \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer133)
  The reduction of which of the following compound would yield secondary amine?                           [DCE 2004]
  A)
                  Alkyl nitrite         done clear
  B)
                  Carbylamine done clear
  C)
                  Primary amine   done clear
  D)
                  Secondary nitro compound done clear
  View Solution play_arrow

• question_answer134)
  Azo dye is prepared by the coupling of phenol and : [Pb. CET 2000]
  A)
                  Diazonium chloride done clear
  B)
                  o-nitro aniline done clear
  C)
                  Benzoic acid done clear
  D)
                  Chlorobenzene done clear
  View Solution play_arrow

• question_answer135)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow{NaN{{O}_{2}}HCl}X\xrightarrow{C{{u}_{2}}{{(CN)}_{2}}}Y\xrightarrow{{{H}_{2}}O/{{H}^{+}}}Z\]                Z is identified as :                                             [Pb. PMT 2004]
  A)
                  \[{{C}_{6}}{{H}_{5}}-NH-C{{H}_{3}}\] done clear
  B)
                  \[{{C}_{6}}{{H}_{5}}-COOH\] done clear
  C)
                  \[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-N{{H}_{2}}\] done clear
  D)
                  \[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}-COOH\] done clear
  View Solution play_arrow

• question_answer136)
  When acetamide reacts with \[B{{r}_{2}}\] and caustic soda, then we get : [CPMT 2004]
  A)
                  Acetic acid           done clear
  B)
                  Bromoacetic acid done clear
  C)
                  Methyl amine    done clear
  D)
                  Ethyl amine done clear
  View Solution play_arrow

• question_answer137)
  In the reaction \[C{{H}_{3}}CN+2H\underset{\text{Ether}}{\mathop{\xrightarrow{HCl}}}\,X\underset{{{H}_{2}}O}{\mathop{\xrightarrow{\text{Boiling}}}}\,Y;\]                the term Y is:                                     [BHU 2004]
  A)
                  Acetone               done clear
  B)
                  Ethyl amine done clear
  C)
                  Acetaldehyde    done clear
  D)
                  Dimethyl amine done clear
  View Solution play_arrow

• question_answer138)
  Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of an acid forms a compounds if water during the reaction is continuously removed. The compound formed is generally known as         [AIEEE 2005]
  A)
                  A Schiff?s base   done clear
  B)
                  An enamine done clear
  C)
                  An imine              done clear
  D)
                  An amine done clear
  View Solution play_arrow

• question_answer139)
  \[R-NH-COH\underset{\text{pyridine}}{\mathop{\xrightarrow{POC{{l}_{3}}}}}\,\]product In the given reaction what will be the product      [BHU 2005]
  A)
                  R ? N = C = O      done clear
  B)
                  \[R-\overset{+}{\mathop{N}}\,\equiv {{C}^{-}}\] done clear
  C)
                  \[R-C\equiv N\]                done clear
  D)
                  None of these. done clear
  View Solution play_arrow

• question_answer140)
  Which of the following is secondary pollulant.  [BHU 2005]
  A)
                  CO2        done clear
  B)
                  N2O done clear
  C)
                  PAN       done clear
  D)
                  SO2 done clear
  View Solution play_arrow

• question_answer141)
  Nitration of aniline also gives m-nitro aniline, in strong acidic medium because                                   [Kerala CET 2005]
  A)
                  In electrophilic substitution reaction amino group is meta directive done clear
  B)
                  Inspite of substituents nitro group always goes to m- position done clear
  C)
                  In strong acidic medium, nitration of aniline is a nucleophic substitution reaction done clear
  D)
                  In strong acidic medium aniline present as anilinium ion done clear
  E)
                  Strong acid, gives nitrate anion, which attacks at m-position done clear
  View Solution play_arrow

• question_answer142)
  Identify the product in following order                 3,4,5-Tribromoaniline\[\underset{\text{(ii) }{{H}_{3}}P{{O}_{2}}}{\mathop{\xrightarrow{\text{(i) diazotization}}}}\,\,?\]   [Kerala CET 2005]
  A)
                  3, 4,5 ?Tribromobenzene done clear
  B)
                  1, 2, 3 ? Tribromobenzene done clear
  C)
                  2, 4, 6 ? Tribromobenzene done clear
  D)
                  3, 4, 5 ? Tribromo nitro benzene done clear
  E)
                  3, 4, 5 ? Tribromo phenol done clear
  View Solution play_arrow

• question_answer143)
  The correct order of basicity in amines (i) \[{{C}_{4}}{{H}_{5}}N{{H}_{2}}\]                          (ii) \[C{{H}_{3}}N{{H}_{2}}\] (iii) \[{{(C{{H}_{3}})}_{2}}NH\]                    (iv) \[{{(C{{H}_{3}})}_{3}}N\]       [Kerala CET 2005]
  A)
                  (i) < (iv) < (ii) < (iii)           done clear
  B)
                  (iv) < (iii) < (ii) < (i) done clear
  C)
                  (i) < (ii) < (iii) < (iv)           done clear
  D)
                  (ii) < (iii) < (iv) < (i) done clear
  E)
                  (iv) < (iii) < (ii) < (i) done clear
  View Solution play_arrow