JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank

done Properties of Halogen Containing Compounds Total Questions - 146

• question_answer1)
    \[\xrightarrow{1\text{ eqv}\text{. of }B{{r}_{2}}/Fe}\]A. Compounds A is      [Orissa JEE 2005]
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer2)
  Ethyl bromide can be converted into ethyl alcohol by [KCET 1989]
  A)
  Heating with dilute hydrochloric acid and zinc done clear
  B)
  Boiling with an alcoholic solution of KOH done clear
  C)
  The action of moist silver oxide done clear
  D)
  Refluxing methanol done clear
  View Solution play_arrow

• question_answer3)
  Reaction of ethyl chloride with sodium leads to [NCERT 1984]
  A)
  Ethane done clear
  B)
  Propane done clear
  C)
  n-butane done clear
  D)
  n-pentane done clear
  View Solution play_arrow

• question_answer4)
  Treatment of ammonia with excess of ethyl chloride will yield [AIIMS 1992]
  A)
  Diethyl amine done clear
  B)
  Ethane done clear
  C)
  Tetraethyl ammonium chloride done clear
  D)
  Methyl amine done clear
  View Solution play_arrow

• question_answer5)
  \[2CHC{{l}_{3}}+{{O}_{2}}\xrightarrow{X}2COC{{l}_{2}}+2HCl\] In the above reaction, X stands for [CPMT 1985]
  A)
  An oxidant done clear
  B)
  A reductant done clear
  C)
  Light and air done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer6)
  Phosgene is the common name for [DPMT 1983; CPMT 1993; MP PMT 1994; Kurukshetra CEE 1998; RPMT 2000, 02]
  A)
  \[C{{O}_{2}}\] and \[P{{H}_{3}}\] done clear
  B)
  Phosphoryl chloride done clear
  C)
  Carbonyl chloride done clear
  D)
  Carbon tetrachloride done clear
  View Solution play_arrow

• question_answer7)
  When chloroform is treated with amine and KOH, we get [CPMT 1979]
  A)
  Rose odour smell done clear
  B)
  Sour almond like smell done clear
  C)
  Offensive odour done clear
  D)
  Sour oil of winter green like smell done clear
  View Solution play_arrow

• question_answer8)
  A mixture of two organic chlorine compounds was treated with sodium metal in ether solution. Isobutane was obtained as a product. The two chlorine compounds are [KCET 1988]
  A)
  Methyl chloride and propyl chloride done clear
  B)
  Methyl chloride and ethyl chloride done clear
  C)
  Isopropyl chloride and methyl chloride done clear
  D)
  Isopropyl chloride and ethyl chloride done clear
  View Solution play_arrow

• question_answer9)
  Alkyl halides can be converted into Grignard reagents by [KCET 1989]
  A)
  Boiling them with Mg ribbon in alcoholic solution done clear
  B)
  Warming them with magnesium powder in dry ether done clear
  C)
  Refluxing them with \[MgC{{l}_{2}}\] solution done clear
  D)
  Warming them with \[MgC{{l}_{2}}\] done clear
  View Solution play_arrow

• question_answer10)
  Which is not present in Grignard reagent [CBSE PMT 1991]
  A)
  Methyl group done clear
  B)
  Magnesium done clear
  C)
  Halogen done clear
  D)
  \[-COOH\] group done clear
  View Solution play_arrow

• question_answer11)
  The reactivity of ethyl chloride is [KCET 1986]
  A)
  More or less equal to that of benzyl chloride done clear
  B)
  More than that of benzyl chloride done clear
  C)
  More or less equal to that of chlorobenzene done clear
  D)
  Less than that of chlorobenzene done clear
  View Solution play_arrow

• question_answer12)
  The reactivity of halogen atom is minimum in [KCET 1985]
  A)
  Propyl chloride done clear
  B)
  Propyl iodide done clear
  C)
  Isopropyl chloride done clear
  D)
  Isopropyl bromide done clear
  View Solution play_arrow

• question_answer13)
  Chlorobenzene is
  A)
  Less reactive than benzyl chloride done clear
  B)
  More reactive than ethyl bromide done clear
  C)
  Nearly as reactive as methyl chloride done clear
  D)
  More reactive than isopropyl chloride done clear
  View Solution play_arrow

• question_answer14)
  The reactivities of methyl chloride, propyl chloride and chlorobenzene are in the order [KCET 1988]
  A)
  Methyl chloride > propyl chloride > chlorobenzene done clear
  B)
  Propyl chloride > methyl chloride > chlorobenzene done clear
  C)
  Methyl chloride > chlorobenzene > propyl chloride done clear
  D)
  Chlorobenzene > propyl chloride > methyl chloride done clear
  View Solution play_arrow

• question_answer15)
  Which of the following compound will make precipitate most readily with \[AgN{{O}_{3}}\] [CPMT 1992]
  A)
  \[CC{{l}_{3}}CHO\] done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}Cl\] done clear
  D)
  \[CH{{I}_{3}}\] done clear
  View Solution play_arrow

• question_answer16)
  Carbylamine is liberated when..... is heated with chloroform and alcoholic potash [KCET 1992]
  A)
  An aldehyde done clear
  B)
  A primary amine done clear
  C)
  A secondary amine done clear
  D)
  A phenol done clear
  View Solution play_arrow

• question_answer17)
  Salicylic acid can be prepared using Reimer-Tiemann's reaction by treating phenol with [KCET 1989]
  A)
  Methyl chloride in the presence of anhydrous aluminium chloride done clear
  B)
  Carbon dioxide under pressure in sodium hydroxide solution done clear
  C)
  Carbon tetrachloride and concentrated sodium hydroxide done clear
  D)
  Sodium nitrite and a few drops of concentrated sulphuric acid done clear
  View Solution play_arrow

• question_answer18)
  Grignard reagent is prepared by the reaction between [CBSE PMT 1994; DPMT 1996; Pb. PMT 1999; MH CET 1999]
  A)
  Zinc and alkyl halide done clear
  B)
  Magnesium and alkyl halide done clear
  C)
  Magnesium and alkane done clear
  D)
  Magnesium and aromatic hydrocarbon done clear
  View Solution play_arrow

• question_answer19)
  Reaction of t-butyl bromide with sodium methoxide produces [CBSE PMT 1994]
  A)
  Isobutane done clear
  B)
  Isobutylene done clear
  C)
  Sodium t-butoxide done clear
  D)
  t-butyl methyl ether done clear
  View Solution play_arrow

• question_answer20)
  War gas is formed from [BHU 1995]
  A)
  \[P{{H}_{3}}\] done clear
  B)
  \[{{C}_{2}}{{H}_{2}}\] done clear
  C)
  Zinc phosphate done clear
  D)
  Chloropicrin done clear
  View Solution play_arrow

• question_answer21)
  What happens when \[CC{{l}_{4}}\] is treated with \[AgN{{O}_{3}}\] [EAMCET 1987; CBSE PMT 1988; MP PET 2000]
  A)
  \[N{{O}_{2}}\] will be evolved done clear
  B)
  A white ppt. of \[AgCl\] will be formed done clear
  C)
  \[CC{{l}_{4}}\] will dissolve in \[AgN{{O}_{3}}\] done clear
  D)
  Nothing will happen done clear
  View Solution play_arrow

• question_answer22)
  If we use pyrene \[(CC{{l}_{4}})\] in the Riemer-Tiemann reaction in place of chloroform, the product formed is [CBSE PMT 1989; MP PMT 1990; MH CET 1999]
  A)
  Salicylaldehyde done clear
  B)
  Phenolphthalein done clear
  C)
  Salicylic acid done clear
  D)
  Cyclohexanol done clear
  View Solution play_arrow

• question_answer23)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}Cl+KCN(aq.)\to X+Y\] Compounds X and Y are  [BHU 1979]
  A)
  \[{{C}_{6}}{{H}_{6}}+KCl\] done clear
  B)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}CN+KCl\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{3}}+KCl\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer24)
  The bad smelling substance formed by the action of alcoholic caustic potash on chloroform and aniline is [MP PMT 1971, 92, 2001; CPMT 1971, 86; AFMC 2002;  RPMT 1999]
  A)
  Phenyl isocyanide done clear
  B)
  Nitrobenzene done clear
  C)
  Phenyl cyanide done clear
  D)
  Phenyl isocyanate done clear
  View Solution play_arrow

• question_answer25)
  Ethylidene chloride on treatment with aqueous KOH gives [MP PMT 1986]
  A)
  Ethylene glycol done clear
  B)
  Acetaldehyde done clear
  C)
  Formaldehyde done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer26)
  Reaction \[{{C}_{2}}{{H}_{5}}I+{{C}_{5}}{{H}_{11}}I+2Na\to {{C}_{2}}{{H}_{5}}-{{C}_{5}}{{H}_{11}}+2NaI\] is called [MP PMT 1992]
  A)
  Hoffmann's reaction done clear
  B)
  Dow's reaction done clear
  C)
  Wurtz's reaction done clear
  D)
  Riemer-Tiemann's reaction done clear
  View Solution play_arrow

• question_answer27)
  In presence of \[AlC{{l}_{3}},\] benzene and n-propyl bromide react in Friedal-Craft's reaction to form [MP PMT 1991]
  A)
  n-propyl benzene done clear
  B)
  1, 2-dinormal propyl benzene done clear
  C)
  1, 4-dinormal propyl benzene done clear
  D)
  Isopropyl benzene done clear
  View Solution play_arrow

• question_answer28)
  The dehydrobromination of 2-bromobutane gives \[C{{H}_{3}}CH=CHC{{H}_{3}}.\] The product is
  A)
  Hofmann product done clear
  B)
  Saytzeff product done clear
  C)
  Hoffmann-Saytzeff product done clear
  D)
  Markownikoff product done clear
  View Solution play_arrow

• question_answer29)
  Ethylene difluoride on hydrolysis gives
  A)
  Glycol done clear
  B)
  Fluoroethanol done clear
  C)
  Difluoroethanol done clear
  D)
  Freon done clear
  View Solution play_arrow

• question_answer30)
  Benzyl chloride when oxidised by \[pb{{(N{{O}_{3}})}_{2}}\] gives [MP PMT 1989]
  A)
  Benzoic acid done clear
  B)
  Benzaldehyde done clear
  C)
  Benzene done clear
  D)
  None done clear
  View Solution play_arrow

• question_answer31)
  Which of the following statements about chloroform is false [Manipal MEE 1995]
  A)
  It is a colourless, sweet-smelling liquid done clear
  B)
  It is almost insoluble in water done clear
  C)
  It is highly inflammable done clear
  D)
  It can be used as an inhalational anaesthetic agent done clear
  View Solution play_arrow

• question_answer32)
  \[CC{{l}_{4}}\] cannot give precipitate with \[AgN{{O}_{3}}\] due to [CPMT 1979]
  A)
  Formation of complex with \[AgN{{O}_{3}}\] done clear
  B)
  Evolution of \[C{{l}_{2}}\] gas done clear
  C)
  Chloride ion is not formed done clear
  D)
  \[AgN{{O}_{3}}\] does not give silver ion done clear
  View Solution play_arrow

• question_answer33)
  On heating \[CHC{{l}_{3}}\] with aq. NaOH, the product is [CPMT 1971, 78; BHU 1997; EAMCET 1998; JIPMER (Med.) 2002]
  A)
  \[C{{H}_{3}}COONa\] done clear
  B)
  \[HCOONa\] done clear
  C)
  Sodium oxalate done clear
  D)
  \[C{{H}_{3}}OH\] done clear
  View Solution play_arrow

• question_answer34)
  Ethyl bromide reacts with lead-sodium alloy to form [MP PMT/PET 1988; MP PET 1997]
  A)
  Tetraethyl lead done clear
  B)
  Tetraethyl bromide done clear
  C)
  Both A and B done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer35)
  Iodoform heated with  Ag powder to form [DPMT 1985]
  A)
  Acetylene done clear
  B)
  Ethylene done clear
  C)
  Methane done clear
  D)
  Ethane done clear
  View Solution play_arrow

• question_answer36)
  Ethyl bromide reacts with silver nitrite to form [DPMT 1985; IIT-JEE 1991]
  A)
  Nitroethane done clear
  B)
  Nitroethane and ethyl nitrite done clear
  C)
  Ethyl nitrite done clear
  D)
  Ethane done clear
  View Solution play_arrow

• question_answer37)
  Which of the following reactions leads to the formation of chloritone [RPMT 2003]
  A)
  \[CHC{{l}_{3}}+C{{H}_{3}}COC{{H}_{3}}\] done clear
  B)
  \[CC{{l}_{4}}+\] Acetone done clear
  C)
  \[CHC{{l}_{3}}+KOH\] done clear
  D)
  \[CHC{{l}_{3}}+HN{{O}_{3}}\] done clear
  View Solution play_arrow

• question_answer38)
  \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}Br+KOH\text{ (alc}\text{.)}\to \text{Product}\] Product in above reaction is [RPMT 2003]
  A)
  \[C{{H}_{3}}-CH=C{{H}_{2}}\] done clear
  B)
  \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}\] done clear
  C)
  A and B both done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer39)
  \[A+CC{{l}_{4}}+KOH\to \] Salicylic acid 'A' in above reaction is   [RPMT 2003]
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  View Solution play_arrow

• question_answer40)
  Identify \[X\] and \[Y\] in the following sequence \[{{C}_{2}}{{H}_{5}}Br\xrightarrow{X}\text{product}\xrightarrow{\text{Y}}{{C}_{3}}{{H}_{7}}N{{H}_{2}}\] [Orissa JEE 2005]
  A)
  \[X=KCN,\,Y=LiAl{{H}_{4}}\] done clear
  B)
  \[X=KCN,\,Y={{H}_{3}}{{O}^{+}}\] done clear
  C)
  \[X=C{{H}_{3}}Cl,\,Y=AlC{{l}_{3}}/HCl\] done clear
  D)
  \[X=C{{H}_{3}}N{{H}_{2}},Y=HN{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer41)
  1-chlorobutane reacts with alcoholic KOH to form [IIT-JEE 1991; AFMC 1998]
  A)
  1-butene done clear
  B)
  2-butane done clear
  C)
  1-butanol done clear
  D)
  2-butanol done clear
  View Solution play_arrow

• question_answer42)
  Which of the following reactions gives \[{{H}_{2}}C=C=C=C{{H}_{2}}\] [Roorkee Qualifying 1998]
  A)
  \[C{{H}_{2}}Br-CBr=C{{H}_{2}}\xrightarrow{Zn/C{{h}_{3}}OH}\] done clear
  B)
  \[HC\equiv C-C{{H}_{2}}-COOH\underset{{{40}^{o}}C}{\mathop{\xrightarrow{Aq.{{K}_{2}}C{{O}_{3}}}}}\,\] done clear
  C)
  \[C{{H}_{2}}Br-C\equiv C-C{{H}_{2}}Br\underset{\text{Heat}}{\mathop{\xrightarrow{Zn}}}\,\] done clear
  D)
  \[2C{{H}_{2}}=CH-C{{H}_{2}}I\underset{{}}{\mathop{\xrightarrow{{}}}}\,\] done clear
  View Solution play_arrow

• question_answer43)
  When ethyl amine is heated with chloroform and alcoholic KOH, a compound with offensive smell is obtained. This compound is [CPMT 1983, 84; RPMT 2002]
  A)
  A secondary amine done clear
  B)
  An isocyanide done clear
  C)
  A cyanide done clear
  D)
  An acid done clear
  View Solution play_arrow

• question_answer44)
  Chlorobenzene on fusing with solid NaOH gives [DPMT 1981; CPMT 1990]
  A)
  Benzene done clear
  B)
  Benzoic acid done clear
  C)
  Phenol done clear
  D)
  Benzene chloride done clear
  View Solution play_arrow

• question_answer45)
  DDT can be prepared by reacting chlorobenzene (in the presence of conc. \[{{H}_{2}}S{{O}_{4}}\]) with
  A)
  \[C{{l}_{2}}\] in ultraviolet light done clear
  B)
  Chloroform done clear
  C)
  Trichloroacetone done clear
  D)
  Chloral hydrate done clear
  View Solution play_arrow

• question_answer46)
  When phenol reacts with \[CHC{{l}_{3}}\] and KOH, the product obtained would be [RPMT 1997]
  A)
  Salicylaldehyde done clear
  B)
  p-hydroxy benzaldehyde done clear
  C)
  Both A and B done clear
  D)
  Chloretone done clear
  View Solution play_arrow

• question_answer47)
  Ethyl chloride on heating with silver cyanide forms a compound X. The functional isomer of X is [EAMCET 1997; KCET 2005]
  A)
  \[{{C}_{2}}{{H}_{5}}NC\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}CN\] done clear
  C)
  \[{{H}_{3}}C-NH-C{{H}_{3}}\] done clear
  D)
  \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer48)
  Which of the following statements is incorrect [CPMT 1977]
  A)
  \[{{C}_{2}}{{H}_{5}}Br\] reacts with alco. KOH to form \[{{C}_{2}}{{H}_{5}}OH\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}Br\] when treated with metallic sodium gives ethane done clear
  C)
  \[{{C}_{2}}{{H}_{5}}Br\] when treated with sodium ethoxide forms diethyl ether done clear
  D)
  \[{{C}_{2}}{{H}_{5}}Br\] with AgCN forms ethyl isocyanide done clear
  View Solution play_arrow

• question_answer49)
  When chloroform is exposed to air and sunlight, it gives [NCERT 1984; CPMT 1978, 87; CBSE PMT 1990; EAMCET 1993; MNR 1994; MP PET 1997, 2000; BHU 2001; AFMC 2002]
  A)
  Carbon tetrachloride done clear
  B)
  Carbonyl chloride done clear
  C)
  Mustard gas done clear
  D)
  Lewsite done clear
  View Solution play_arrow

• question_answer50)
  An organic halide is shaken with aqueous \[NaOH\] followed by the addition of dil. \[HN{{O}_{3}}\] and silver nitrate solution gave white ppt. The substance can be [JIPMER 1997]
  A)
  \[{{C}_{6}}{{H}_{4}}(C{{H}_{3}})Br\] done clear
  B)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}Cl\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}Cl\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer51)
  A compound A has a molecular formula \[{{C}_{2}}C{{l}_{3}}OH.\] It reduces Fehling solution and on oxidation gives a monocarboxylic acid B. A is obtained by action of chlorine on ethyl alcohol. A is [CBSE PMT 1994; MP PET 1997; KCET 2005]
  A)
  Chloral done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[C{{H}_{3}}Cl\] done clear
  D)
  Chloroacetic acid done clear
  View Solution play_arrow

• question_answer52)
  Following equation illustrates \[{{C}_{6}}{{H}_{5}}Cl+2NaOH\underset{200\,atm}{\mathop{\xrightarrow{200-{{250}^{o}}C}}}\,{{C}_{6}}{{H}_{5}}ONa+NaCl+{{H}_{2}}O\] [Bihar CEE 1995]
  A)
  Dow's process done clear
  B)
  Kolbe's process done clear
  C)
  Carbylamine test done clear
  D)
  Haloform reaction done clear
  View Solution play_arrow

• question_answer53)
  One of the following that cannot undergo dehydro-halogenation is [J & K 2005]
  A)
  Iso-propyl bromide done clear
  B)
  Ethanol done clear
  C)
  Ethyl bromide done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer54)
  A compound X on reaction with chloroform and NaOH gives a compound with a very unpleasant odour. X is [MP PMT 1999]
  A)
  \[{{C}_{6}}{{H}_{5}}CON{{H}_{2}}\] done clear
  B)
  \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}NHC{{H}_{3}}\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}NHC{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer55)
  In the above reaction product is
  A)
  \[{{C}_{6}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{5}}O{{C}_{6}}{{H}_{5}}\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}I\] done clear
  View Solution play_arrow

• question_answer56)
  \[{{C}_{2}}{{H}_{5}}Cl+KCN\xrightarrow{{}}X\xrightarrow{\text{Hydrolysis}}Y.\] 'X' and 'Y' are [MP PET 1995]
  A)
  \[{{C}_{2}}{{H}_{6}}\] and \[{{C}_{2}}{{H}_{5}}CN\] done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH,\] and \[C{{H}_{3}}-CHOH-C{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}-C(C{{H}_{3}})(OH)-C{{H}_{3}}\] and \[{{C}_{2}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}\] done clear
  D)
  \[{{C}_{2}}{{H}_{5}}CN\] and \[{{C}_{2}}{{H}_{5}}COOH\] done clear
  View Solution play_arrow

• question_answer57)
  Iodoform is formed on warming \[{{I}_{2}}\] and NaOH with [MP PET 1995; DCE 1999; RPET 1999; RPMT 2002]
  A)
  \[{{C}_{2}}{{H}_{5}}OH\] done clear
  B)
  \[C{{H}_{3}}OH\] done clear
  C)
  HCOOH done clear
  D)
  \[{{C}_{6}}{{H}_{6}}\] done clear
  View Solution play_arrow

• question_answer58)
  Which of the following reacts with phenol to give salicylaldehyde after hydrolysis [MP PMT 1995]
  A)
  Dichloromethane done clear
  B)
  Trichloromethane done clear
  C)
  Methyl chloride done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer59)
  Dehydrohalogenation in monohaloalkanes produces
  A)
  A single bond done clear
  B)
  A double bond done clear
  C)
  A triple bond done clear
  D)
  Fragmentation done clear
  View Solution play_arrow

• question_answer60)
  When chloroform is treated with conc. \[HN{{O}_{3}}\] it gives [CPMT 1986; MP PMT 1989; AFMC 1998, 99; EAMCET 1991; BHU 1999]
  A)
  \[CHC{{l}_{2}}N{{O}_{2}}\] done clear
  B)
  \[CC{{l}_{3}}N{{O}_{2}}\] done clear
  C)
  \[CHC{{l}_{2}}HN{{O}_{3}}\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer61)
  A sample of chloroform being used as anaesthetic is tested by [AIIMS 1980; CPMT 1983]
  A)
  Fehling solution done clear
  B)
  Ammoniacal \[C{{u}_{2}}C{{l}_{2}}\] done clear
  C)
  \[AgN{{O}_{3}}\] solution done clear
  D)
  \[AgN{{O}_{3}}\] solution after boiling with alcoholic \[KOH\] solution done clear
  View Solution play_arrow

• question_answer62)
  Dehydrohalogenation of an alkyl halide is [MP PMT 1996]
  A)
  An addition reaction done clear
  B)
  A substitution reaction done clear
  C)
  An elimination reaction done clear
  D)
  An oxidation reaction done clear
  View Solution play_arrow

• question_answer63)
  Reaction of aqueous sodium hydroxide on (i) ethyl bromide and (ii) chlorobenzene gives
  A)
  (i) Ethene and (ii) o-chlorophenol done clear
  B)
  (i) Ethyl alcohol and (ii) o-chlorophenol done clear
  C)
  (i) Ethyl alcohol and (ii) phenol done clear
  D)
  (i) Ethyl alcohol and (ii) no reaction done clear
  View Solution play_arrow

• question_answer64)
  2-bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is [CBSE PMT 1998]
  A)
  Pentene-1 done clear
  B)
  cis pentene-2 done clear
  C)
  trans pentene-2 done clear
  D)
  2-ethoxypentane done clear
  View Solution play_arrow

• question_answer65)
  What is the product formed in the following reaction \[{{C}_{6}}{{H}_{5}}OH+CC{{l}_{4}}\underset{(2)\,\,{{H}^{+}}}{\mathop{\xrightarrow{(1)\,\,NaOH}}}\,\] [KCET 1998]
  A)
  p-hydroxybenzoic acid done clear
  B)
  o-hydroxybenzoic acid done clear
  C)
  Benzaldehyde done clear
  D)
  Salicylaldehyde done clear
  View Solution play_arrow

• question_answer66)
  When chloroform is treated with excess oxygen it forms [MH CET 1999]
  A)
  \[COC{{l}_{2}}+HCl\] done clear
  B)
  \[COC{{l}_{2}}+C{{l}_{2}}+{{H}_{2}}\] done clear
  C)
  \[COC{{l}_{2}}+C{{l}_{2}}+{{H}_{2}}O\] done clear
  D)
  No product will be formed done clear
  View Solution play_arrow

• question_answer67)
  Which isomer of cyclohexane hexachloride is a very strong insecticide [MP PET 2003]
  A)
  \[\alpha \] done clear
  B)
  \[\beta \] done clear
  C)
  \[\gamma \] done clear
  D)
  \[\delta \] done clear
  View Solution play_arrow

• question_answer68)
  Haloalkane in the presence of alcoholic KOH  undergoes [KCET (Engg/Med.) 2002]
  A)
  Elimination done clear
  B)
  Polymerisation done clear
  C)
  Dimerisation done clear
  D)
  Substitution done clear
  View Solution play_arrow

• question_answer69)
  The set of compounds in which the reactivity of halogen atom in the ascending order is [KCET (Engg.) 2002]
  A)
  Vinyl chloride, chlorethane, chlorobenzene done clear
  B)
  Vinyl chloride, chlorobenzene, chloroethane done clear
  C)
  Chloroethane, chlorobenzene, vinyl chloride done clear
  D)
  Chlorobenzene, vinyl chloride chloroethane done clear
  View Solution play_arrow

• question_answer70)
  Alkyl halides react with Mg in dry ether to form [DPMT 2000; MP PET 2001]
  A)
  Magnesium halide done clear
  B)
  Grignard's reagent done clear
  C)
  Alkene done clear
  D)
  Alkyne done clear
  View Solution play_arrow

• question_answer71)
  In the following sequence of reactions \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\xrightarrow{KOH(alc)}(A)\xrightarrow{HBr}(B)\xrightarrow{KOH\,(aq.)}(C),\]The product  is  [JIPMER 2001]
  A)
  Propan - 2 - ol done clear
  B)
  Propan - l - ol done clear
  C)
  Propyne done clear
  D)
  Propene done clear
  View Solution play_arrow

• question_answer72)
  Alkyl halide on heating with alc. \[N{{H}_{3}}\]in a sealed tube results? [Orissa JEE 2002]
  A)
  \[1{}^\circ \] amine done clear
  B)
    \[2{}^\circ \] amine done clear
  C)
  \[3{}^\circ \] amine done clear
  D)
    All of these done clear
  View Solution play_arrow

• question_answer73)
  When \[C{{H}_{3}}C{{H}_{2}}CHC{{l}_{2}}\] is treated with \[NaN{{H}_{2,}}\] the product formed is [CBSE PMT 2002]
  A)
  \[C{{H}_{3}}-CH=C{{H}_{2}}\] done clear
  B)
  \[C{{H}_{3}}-C\equiv CH\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}CH(N{{H}_{2}})(Cl)\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C{{(N{{H}_{2}})}_{2}}\] done clear
  View Solution play_arrow

• question_answer74)
  By heating a mixture of \[CHC{{l}_{3}}\]with silver powder, the compound formed is [Kurukshetra CET 2002]
  A)
  Acetylene done clear
  B)
  Silver acetate done clear
  C)
  Methanol done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer75)
  Chloropicrin is     [Kurukshetra CET 2002]
  A)
  Trichloro acetaldehyde done clear
  B)
  Nitrochloroform done clear
  C)
  2, 4, 6-trinitro phenol done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer76)
  Which of the following are correct statements about \[{{C}_{2}}{{H}_{5}}Br\] [Roorkee 1999]
  A)
  It reacts with metallic Na to give ethane done clear
  B)
  It gives nitroethane on heating with aqueous ethanolic solution of \[AgN{{O}_{2}}\] done clear
  C)
  It gives \[{{C}_{2}}{{H}_{5}}OH\]on boiling with alcoholic potash done clear
  D)
  It forms ethylacetate on heating with silver acetate done clear
  View Solution play_arrow

• question_answer77)
  Aryl halide is less reactive than alkyl halide towards nucleophilic substitution because [RPMT 2002]
  A)
  Less stable carbonium ion done clear
  B)
  Due to large \[C-Cl\]bond energy done clear
  C)
  Inductive effect done clear
  D)
  Resonance stabilization and \[s{{p}^{2}}\]- hybridisation of C attached to halide done clear
  View Solution play_arrow

• question_answer78)
  Methyl chloride reacts with silver acetate to yield [BVP 2003]
  A)
  Acetaldehyde done clear
  B)
  Acetyl chloride done clear
  C)
  Methyl acetate done clear
  D)
  Acetic acid done clear
  View Solution play_arrow

• question_answer79)
  Chloroform for anesthetic purposes is tested for its purity with the reagent [DPMT 2001]
  A)
  Silver nitrate done clear
  B)
   Lead nitrate done clear
  C)
  Ammoniacal \[C{{u}_{2}}C{{l}_{2}}\] done clear
  D)
   Lead nitrate done clear
  View Solution play_arrow

• question_answer80)
  2, 6 - Dimethylheptane on monochlorination produces??. derivatives [DPMT 2001]
  A)
  5 done clear
  B)
   6 done clear
  C)
  3 done clear
  D)
   4 done clear
  View Solution play_arrow

• question_answer81)
  The less reactivity of chlorine atom in \[C{{H}_{2}}=CH-Cl\] is due to [DCE 2001]
  A)
  Inductive effect done clear
  B)
  Resonance stabilization done clear
  C)
  Electromeric effect done clear
  D)
  Electronegativity done clear
  View Solution play_arrow

• question_answer82)
  \[C{{H}_{3}}-C{{H}_{2}}-Br\xrightarrow{\text{alc}\text{.KCN}}\]\[C{{H}_{3}}C{{H}_{2}}CN\]\[\xrightarrow{\text{HOH}}X\] In this reaction, product X is  [MH CET 2002]
  A)
  Acetic acid done clear
  B)
  Propionic acid done clear
  C)
  Butyric acid done clear
  D)
  Formic acid done clear
  View Solution play_arrow

• question_answer83)
  In alkaline hydrolysis of a tertiary alkyl halide by aqueous alkali if concentration of alkali is doubled, then the reaction [MH CET 2002]
  A)
  Will be doubled done clear
  B)
  Will be halved done clear
  C)
  Will remain constant done clear
  D)
  Can?t say done clear
  View Solution play_arrow

• question_answer84)
  \[AgN{{O}_{3}}\]does not give precipitate with \[CHC{{l}_{3}}\] because [MP PET 1999; CPMT 2002]
  A)
  \[CHC{{l}_{3}}\]does not ionise in water done clear
  B)
  \[AgN{{O}_{3}}\]does not reacts with \[CHC{{l}_{3}}\]  done clear
  C)
  \[CHC{{l}_{3}}\] is chemically inert done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer85)
  The reaction between chlorobenzene and chloral in the presence of concentrated sulphuric acid produces [Pb. PMT 2001]
  A)
  Gammexane done clear
  B)
  p,p-dichloro diphenyl trichloro ethane done clear
  C)
  Chloropicrin done clear
  D)
    Benzene hexachloride done clear
  View Solution play_arrow

• question_answer86)
  False statement is [RPET 1999]
  A)
  Chloroform is heavier than water done clear
  B)
  \[CC{{l}_{4}}\] is non-inflammable done clear
  C)
  Vinyl chloride is more reactive than allyl chloride done clear
  D)
  \[B{{r}^{-}}\] is a good nucleophile as compared to \[{{I}^{-}}\] done clear
  View Solution play_arrow

• question_answer87)
  Chloroform is slowly oxidise by air in presence of light to form [MH CET 1999; UPSEAT 2001, 02; RPMT 2003]
  A)
  Formyl chloride done clear
  B)
   Phosgene done clear
  C)
    Trichloroacetic acid done clear
  D)
   Formic acid done clear
  View Solution play_arrow

• question_answer88)
  Alcoholic potash is used to bring about [KCET (Engg.) 2001]
  A)
  Dehydrogenation done clear
  B)
    Dehydration done clear
  C)
  Dehydrohalogenation done clear
  D)
    Dehalogenation done clear
  View Solution play_arrow

• question_answer89)
  Vinyl chloride reacts with \[HCl\] to form [JIPMER 2000]
  A)
  1, 1- dichloro ethane done clear
  B)
  1, 2- dichloro ethane done clear
  C)
  Tetrachloro ethylene done clear
  D)
  Mixture of 1, 2 and 1, 1 - dichloro ethane done clear
  View Solution play_arrow

• question_answer90)
  \[R-X+NaOH\xrightarrow{{}}ROH+NaX\] The above reaction is classified as [BHU 1982; CBSE PMT 1991; RPET 2000]
  A)
  Nucleophilic substitution done clear
  B)
  Electrophilic substitution done clear
  C)
  Reduction done clear
  D)
  Oxidation done clear
  View Solution play_arrow

• question_answer91)
  Reduction of acetyl chloride with \[{{H}_{2}}\] in presence of Pd gives [MP PMT 2001]
  A)
  \[C{{H}_{3}}COC{{H}_{3}}\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}OH\] done clear
  C)
  \[C{{H}_{3}}COOH\] done clear
  D)
  \[C{{H}_{3}}CHO\] done clear
  View Solution play_arrow

• question_answer92)
  When methyl bromide is heated with\[Zn\]it gives    [MP PMT 2001]
  A)
  \[C{{H}_{4}}\] done clear
  B)
  \[{{C}_{2}}{{H}_{6}}\] done clear
  C)
  \[{{C}_{2}}{{H}_{4}}\] done clear
  D)
  \[C{{H}_{3}}OH\] done clear
  View Solution play_arrow

• question_answer93)
  Phenol reacts with \[CHC{{l}_{3}}\] and NaOH (at \[340K\]) to give [MP PMT 1997; CBSE PMT 2002]
  A)
  o-chlorophenol done clear
  B)
  Salicylaldehyde done clear
  C)
  Benzaldehyde done clear
  D)
  Chlorobenzene done clear
  View Solution play_arrow

• question_answer94)
  Iodoform on heating with \[KOH\]gives [MP PMT 2000]
  A)
  \[C{{H}_{3}}CHO\] done clear
  B)
  \[C{{H}_{3}}COOK\] done clear
  C)
  \[HCOOK\] done clear
  D)
  \[HCHO\] done clear
  View Solution play_arrow

• question_answer95)
  Which reaction is correct in the conversion of chloroform to acetylene [Pb. PMT 2000]
  A)
  \[CHC{{l}_{3}}+AgN{{O}_{3}}\] done clear
  B)
  \[CHC{{l}_{3}}+{{O}_{2}}\] done clear
  C)
  \[CHC{{l}_{3}}+HN{{O}_{3}}\] done clear
  D)
  \[CHC{{l}_{3}}+Ag\] done clear
  View Solution play_arrow

• question_answer96)
  Which of the following gases are poisonous    [Pb. PMT 2000]
  A)
  \[CHC{{l}_{3}}\] done clear
  B)
  \[C{{O}_{2}}\] done clear
  C)
  None of these done clear
  D)
  \[CO\] done clear
  View Solution play_arrow

• question_answer97)
  Which of the following alkyl halide is used as a methylating agent [KCET (Med.) 2000; MP PET 1999]
  A)
  \[C{{H}_{3}}I\] done clear
  B)
  \[{{C}_{2}}{{H}_{5}}Br\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}Cl\] done clear
  D)
  \[{{C}_{6}}{{H}_{5}}Cl\] done clear
  View Solution play_arrow

• question_answer98)
  \[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\], on treatment with alcoholic \[KOH\], yields [AFMC 2000]
  A)
  \[{{C}_{6}}{{H}_{6}}\] done clear
  B)
  \[{{C}_{6}}{{H}_{3}}C{{l}_{3}}\] done clear
  C)
  \[({{C}_{6}}{{H}_{6}})\ OH\] done clear
  D)
  \[{{C}_{6}}{{H}_{6}}C{{l}_{4}}\] done clear
  View Solution play_arrow

• question_answer99)
  When ethyl iodide is heated with silver nitrate, the product obtained is [CPMT 2000]
  A)
  \[{{C}_{2}}{{H}_{5}}Ag\] done clear
  B)
  \[Ag-O-N{{O}_{2}}\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}O-N{{O}_{2}}\] done clear
  D)
  \[{{C}_{2}}{{H}_{5}}I-N{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer100)
  \[CHC{{l}_{3}}\] and HF lead to the formation of a compound of fluorine of molecular weight 70. The compound is [RPET 2000]
  A)
  Fluoroform done clear
  B)
  Fluorine monoxide done clear
  C)
  Fluorine dioxide done clear
  D)
  Fluromethanol done clear
  View Solution play_arrow

• question_answer101)
  Chloroform with zinc dust in water gives [UPSEAT 2000]
  A)
  \[C{{H}_{4}}\] done clear
  B)
  Chloropicrin done clear
  C)
  \[CC{{l}_{4}}\] done clear
  D)
  \[C{{H}_{2}}C{{l}_{2}}\]­ done clear
  View Solution play_arrow

• question_answer102)
  Which of the following is used as a catalyst for preparing Grignard reagent [KCET 1998]
  A)
  Iron powder done clear
  B)
  Iodine powder done clear
  C)
  Activated charcoal done clear
  D)
  Manganese dioxide done clear
  View Solution play_arrow

• question_answer103)
  For a given alkyl group the densities of the halides follow the order [MP PMT 1997]
  A)
  \[RI<RBr<RCl\] done clear
  B)
  \[RI<RCl<RBr\] done clear
  C)
  \[RBr<RI<RCl\] done clear
  D)
  \[RCl<RBr<RI\] done clear
  View Solution play_arrow

• question_answer104)
  Which halide will be least reactive in respect to hydrolysis [MP PET 2003]
  A)
  Vinyl chloride done clear
  B)
  Allyl chloride done clear
  C)
  Ethyl chloride done clear
  D)
  t-Butyl chloride done clear
  View Solution play_arrow

• question_answer105)
  In nucleophilic aliphatic substitution, the nucleophiles are generally
  A)
  Acids done clear
  B)
  Bases done clear
  C)
  Salts done clear
  D)
  Neutral molecules done clear
  View Solution play_arrow

• question_answer106)
  Which one of the following compounds does not react with bromine [DPMT 1983]
  A)
  Ethylamine done clear
  B)
  Propene done clear
  C)
  Phenol done clear
  D)
  Chloroform done clear
  View Solution play_arrow

• question_answer107)
  Allyl chloride on dehydro chlorination gives [Kerala (Med.) 2003]
  A)
  Propadiene done clear
  B)
  Propylene done clear
  C)
  Acetylchloride done clear
  D)
  Acetone done clear
  View Solution play_arrow

• question_answer108)
  Toluene reacts with excess of \[C{{l}_{2}}\] in presence of sunlight to give a product which on hydrolysis followed by reaction with NaOH gives [Orissa JEE 2004]
  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer109)
  An alkyl bromide produces a single alkene when it reacts with sodium ethoxide and ethanol. This alkene undergoes hydrogenation and produces 2-methyl butane. What is the identity of the alkyl bromide [Kerala PMT 2004]
  A)
  1-bromo-2, 2-dimethylpropane done clear
  B)
  1-bromobutane done clear
  C)
  1-bromo-2-methylbutane done clear
  D)
  2-bromo-2-methylbutane done clear
  E)
  2-bromopentane done clear
  View Solution play_arrow

• question_answer110)
  On treating a mixture of two alkyl halides with sodium metal in dry ether, 2-methyl propane was obtained. The alkyl halides are [KCET 2004]
  A)
  2-chloropropane and chloromethane done clear
  B)
  2-chloropropane and chloroethane done clear
  C)
  Chloromethane and chloroethane done clear
  D)
  Chloromethane and 1-chloropropane done clear
  View Solution play_arrow

• question_answer111)
  In which case formation of butane nitrile is possible [Orissa JEE 2004]
  A)
  \[{{C}_{3}}{{H}_{7}}Br+KCN\] done clear
  B)
  \[{{C}_{4}}{{H}_{9}}Br+KCN\] done clear
  C)
  \[{{C}_{3}}{{H}_{7}}OH+KCN\] done clear
  D)
  \[{{C}_{4}}{{H}_{9}}OH+KCN\] done clear
  View Solution play_arrow

• question_answer112)
  The reaction of an aeromatic halogen compound with an alkyl halides in presence of sodium and ether is called [MP PMT 2004]
  A)
  Wurtz reaction done clear
  B)
  Sandmeyer's reaction done clear
  C)
  Wurtz-fittig reaction done clear
  D)
  Kolbe reaction done clear
  View Solution play_arrow

• question_answer113)
  The compound added to prevent chloroform to form phosgene gas is [MP PET 2004]
  A)
  \[{{C}_{2}}{{H}_{5}}OH\] done clear
  B)
  \[C{{H}_{3}}COOH\] done clear
  C)
  \[C{{H}_{3}}COC{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}OH\] done clear
  View Solution play_arrow

• question_answer114)
  Among the following, the one which reacts most readily with ethanol is [AIIMS 2004]
  A)
  p-nitrobenzyl bromide done clear
  B)
  p-chlorobenzyl bromide done clear
  C)
  p-methoxybenzyl bromide done clear
  D)
  p-methylbenzyl bromide done clear
  View Solution play_arrow

• question_answer115)
  Chloropicrin is obtained by the reaction of [CBSE PMT 2004]
  A)
  Chlorine on picric acid done clear
  B)
  Nitric acid on chloroform done clear
  C)
  Steam on carbon tetrachloride done clear
  D)
  Nitric acid on chlorobenzene done clear
  View Solution play_arrow

• question_answer116)
  In Wurtz reaction alkyl halide react with [MH CET 2004]
  A)
  Sodium in ether done clear
  B)
  Sodium in dry ether done clear
  C)
  Sodium only done clear
  D)
  Alkyl halide in ether done clear
  View Solution play_arrow

• question_answer117)
  Chloroform, when kept open, is oxidised to [CPMT 2004]
  A)
  \[C{{O}_{2}}\] done clear
  B)
  \[COC{{l}_{2}}\] done clear
  C)
  \[C{{O}_{2}},\ C{{l}_{2}}\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer118)
  Chloroform reacts with concentrated \[HN{{O}_{3}}\] to give [Pb. CET 2000]
  A)
  Water gas done clear
  B)
  Tear gas done clear
  C)
  Laughing gas done clear
  D)
  Producer gas done clear
  View Solution play_arrow

• question_answer119)
  When ethyl chloride and alcoholic KOH are heated, the compound obtained is [MH CET 2003]
  A)
  \[{{C}_{2}}{{H}_{4}}\] done clear
  B)
  \[{{C}_{2}}{{H}_{2}}\] done clear
  C)
  \[{{C}_{6}}{{H}_{6}}\] done clear
  D)
  \[{{C}_{2}}{{H}_{6}}\] done clear
  View Solution play_arrow

• question_answer120)
  Chloroform, on warming with Ag powder, gives [MH CET 2003]
  A)
  \[{{C}_{2}}{{H}_{6}}\] done clear
  B)
  \[{{C}_{3}}{{H}_{8}}\] done clear
  C)
  \[{{C}_{2}}{{H}_{4}}\] done clear
  D)
  \[{{C}_{2}}{{H}_{2}}\] done clear
  View Solution play_arrow

• question_answer121)
  When alkyl halide is heated with dry \[A{{g}_{2}}O\], it produces [CPMT 1997; BHU 2004]
  A)
  Ester done clear
  B)
  Ether done clear
  C)
  Ketone done clear
  D)
  Alcohol done clear
  View Solution play_arrow

• question_answer122)
  Reaction of alkyl halides with aromatic compounds in presence of anhydrous \[AlC{{l}_{3}}\] is known as [UPSEAT 2004]
  A)
  Friedal-Craft reaction done clear
  B)
  Hofmann degradation done clear
  C)
  Kolbe's synthesis done clear
  D)
  Beckmann rearrangement done clear
  View Solution play_arrow

• question_answer123)
  Two percent of ethanol is added during the oxidation of chloroform to stop the formation of carbonyl chloride. In this reaction ethanol acts as [Pb. CET 2001]
  A)
  Auto catalyst done clear
  B)
  Negative catalyst done clear
  C)
  Positive catalyst done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer124)
  When benzene is heated with chlorine in the presence of sunlight, it forms [Pb. CET 2000]
  A)
  B.H.C. done clear
  B)
  Cyclopropane done clear
  C)
  p-dichlorobenzene done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer125)
  Ethylene di bromide on heating with metallic sodium in ether solution yields [Pb. CET 2004]
  A)
  Ethene done clear
  B)
  Ethyne done clear
  C)
  2-butene done clear
  D)
  1-butene done clear
  View Solution play_arrow

• question_answer126)
  The reaction, \[C{{H}_{3}}Br+Na\to \text{Product}\], is called [Pb. CET 2003]
  A)
  Perkin reaction done clear
  B)
  Levit reaction done clear
  C)
  Wurtz reaction done clear
  D)
  Aldol condensation done clear
  View Solution play_arrow

• question_answer127)
  At normal temperature iodoform is [MP PET 2004]
  A)
  Thick viscous liquid done clear
  B)
  Gas done clear
  C)
  Volatile liquid done clear
  D)
  Solid done clear
  View Solution play_arrow

• question_answer128)
  Which of the following statements about benzyl chloride is incorrect [KCET 2004]
  A)
  It is less reactive than alkyl halides done clear
  B)
  It can be oxidised to benzaldehyde by boiling with copper nitrate solution done clear
  C)
  It is a lachrymatory liquid and answers Beilstein?s test done clear
  D)
  It gives a white precipitate with alcoholic silver nitrate done clear
  View Solution play_arrow

• question_answer129)
  Ethylene dichloride and ethylidine chloride are isomeric compounds. The false statement about  these isomers is that they [DCE 2003]
  A)
  React with alcoholic potash and give the same product done clear
  B)
  Are position isomers done clear
  C)
  Contain the same percentage of chlorine done clear
  D)
  Are both hydrolysed to the same product done clear
  View Solution play_arrow

• question_answer130)
  An alkyl bromide (X) reacts with Na to form 4, 5-diethyloctane. Compound X is [Roorkee 1999]
  A)
  \[C{{H}_{3}}{{(C{{H}_{2}})}_{3}}Br\] done clear
  B)
  \[C{{H}_{3}}{{(C{{H}_{2}})}_{5}}Br\] done clear
  C)
  \[C{{H}_{3}}{{(C{{H}_{2}})}_{3}}CH.Br.C{{H}_{3}}\] done clear
  D)
  \[C{{H}_{3}}{{(C{{H}_{2}})}_{2}}CH.Br.C{{H}_{2}}C{{H}_{3}}\] done clear
  View Solution play_arrow

• question_answer131)
  In the following reaction X is \[C{{H}_{3}}N{{H}_{2}}+X+KOH\to C{{H}_{3}}NC\,\,\text{(highly offensive odour)}\] [MP PET 1994]
  A)
  \[C{{H}_{2}}C{{l}_{2}}\] done clear
  B)
  \[CHC{{l}_{3}}\] done clear
  C)
  \[C{{H}_{3}}Cl\] done clear
  D)
  \[CC{{l}_{4}}\] done clear
  View Solution play_arrow

• question_answer132)
  Which metal is used in Wurtz synthesis [CPMT 1986; DPMT 1979; MP PET 2002]
  A)
  Ba done clear
  B)
  Al done clear
  C)
  Na done clear
  D)
  Fe done clear
  View Solution play_arrow

• question_answer133)
  Which of the following is boiled with ethyl chloride to form ethyl alcohol [MNR 1982]
  A)
  Alcoholic KOH done clear
  B)
  Aqueous KOH done clear
  C)
  \[{{H}_{2}}O\] done clear
  D)
  \[{{H}_{2}}{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer134)
  Why is chloroform put into dark coloured bottles [MP PET 2002]
  A)
  To prevent evaporation done clear
  B)
  To prevent from moisture done clear
  C)
  To prevent it from oxidation to form phosgene done clear
  D)
  To prevent its reaction with glass done clear
  View Solution play_arrow

• question_answer135)
  DDT is
  A)
  A solid done clear
  B)
  A liquid done clear
  C)
  A gas done clear
  D)
  A solution done clear
  View Solution play_arrow

• question_answer136)
  Bottles containing \[{{C}_{6}}{{H}_{5}}I\] and \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}I\]lost their original labels. They were labelled A and B for testing. A and B were separately taken in test tubes and boiled with \[NaOH\]solution. The end solution in each tube was made acidic with dilute \[HN{{O}_{3}}\]and then some \[AgN{{O}_{3}}\] solution was added. Substance B give a yellow precipitate. Which one of the following statements is true for this experiment [AIEEE 2003]
  A)
  A was \[{{C}_{6}}{{H}_{5}}I\] done clear
  B)
  A was \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}I\] done clear
  C)
  B was \[{{C}_{6}}{{H}_{5}}I\] done clear
  D)
  Addition of \[HN{{O}_{3}}\]was unnecessary done clear
  View Solution play_arrow

• question_answer137)
  Which of the following statements is incorrect regarding benzyl chloride [KCET 2003]
  A)
  It gives white precipitate with alcoholic \[AgN{{O}_{3}}\] done clear
  B)
  It is an aromatic compound with substitution in the side chain done clear
  C)
  It undergoes nucleophilic substitution reaction done clear
  D)
  It is less reactive than vinyl chloride done clear
  View Solution play_arrow

• question_answer138)
  Alkyl halide can be converted into alkene by [BCECE 2005]
  A)
  Nucleophilic substitution reaction done clear
  B)
  Elimination reaction done clear
  C)
  Both nucleophilic substitution and elimination reaction done clear
  D)
  Rearrangement done clear
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• question_answer139)
  The major product formed in the following reaction is  \[\underset{H}{\overset{\,\,\,\,\,\,\,\,\,C{{H}_{3}}}{\mathop{C{{H}_{3}}-\underset{|}{\overset{|}{\mathop{C}}}\,-C{{H}_{2}}}}}\,\ Br\ \ \underset{C{{H}_{3}}OH}{\mathop{\xrightarrow{C{{H}_{3}}O}}}\,\] [AIIMS 2005]
  A)
  \[\underset{H}{\overset{\,\,\,\,\,\,\,\,\,C{{H}_{3}}}{\mathop{C{{H}_{3}}-\underset{|}{\overset{|}{\mathop{C}}}\,-C{{H}_{2}}}}}\,OC{{H}_{3}}\] done clear
  B)
  \[C{{H}_{3}}\underset{\,\,\,\,\,OC{{H}_{3}}}{\mathop{-\underset{|}{\mathop{C}}\,H-}}\,C{{H}_{2}}\ C{{H}_{3}}\] done clear
  C)
  \[\overset{\,\,\,\,\,\,\,C{{H}_{3}}}{\mathop{C{{H}_{3}}-\overset{|}{\mathop{C}}\,=C{{H}_{2}}}}\,\] done clear
  D)
  \[\underset{\,\,\,\,\,\,\,\,\,\,\,OC{{H}_{3}}}{\overset{\,\,\,\,\,\,\,\,C{{H}_{3}}}{\mathop{C{{H}_{3}}-\underset{|}{\overset{|}{\mathop{C}}}\,-C{{H}_{3}}}}}\,\] done clear
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• question_answer140)
  The major product obtained on treatment of \[C{{H}_{3}}C{{H}_{2}}CH(F)C{{H}_{3}}\] with \[C{{H}_{3}}{{O}^{-}}/C{{H}_{3}}OH\] is [AIIMS 2005]
  A)
  \[C{{H}_{3}}C{{H}_{2}}CH(OC{{H}_{3}})C{{H}_{3}}\] done clear
  B)
  \[C{{H}_{3}}CH=CHC{{H}_{3}}\] done clear
  C)
  \[C{{H}_{3}}C{{H}_{2}}CH=C{{H}_{2}}\] done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}OC{{H}_{3}}\] done clear
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• question_answer141)
  When phenyl magnesium bromide reacts with t-butanol, the product would be [IIT 2005]
  A)
  Benzene done clear
  B)
  Phenol done clear
  C)
  t-butyl benzene done clear
  D)
  t-butyl phenyl ether done clear
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• question_answer142)
  Alkyl halides react with dialkyl copper reagents to give [AIEEE 2005]
  A)
  Alkenes done clear
  B)
  Alkyl copper halides done clear
  C)
  Alkanes done clear
  D)
  Alkenyl halides done clear
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• question_answer143)
  Which of the following is liquid at room temperature [AFMC 2005]
  A)
  \[C{{H}_{3}}I\] done clear
  B)
  \[C{{H}_{3}}Br\] done clear
  C)
  \[{{C}_{2}}{{H}_{5}}Cl\] done clear
  D)
  \[C{{H}_{3}}F\] done clear
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• question_answer144)
  Which of the following haloalkanes is most reactive [KCET 2005]
  A)
  1-chloropropane done clear
  B)
  1-bromopropane done clear
  C)
  2-chloropropane done clear
  D)
  2-bromopropane done clear
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• question_answer145)
  Grignard reagent adds to [KCET 2005]
  A)
       \[>C=O\] done clear
  B)
  \[-C\equiv N\] done clear
  C)
       \[>C=S\] done clear
  D)
  All of the above done clear
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• question_answer146)
  Analyse the following reaction and identify the nature of \[A\] and \[B\] [Kerala CET 2005]                                        \[B\underset{hv}{\mathop{\xleftarrow{HBr}}}\,\] \[\xrightarrow{HBr}A\]
  A)
  Both A and B are   done clear
  B)
  Both A and B are done clear
  C)
  A is   & B is   done clear
  D)
  A is   & B is done clear
  E)
  A is  & B is done clear
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