-
question_answer1)
The end product in the following sequence of reaction is \[HC\equiv CH\underset{20%{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{\text{1 }\!\!%\!\!\text{ HgS}{{\text{O}}_{\text{4}}}}}}\,A\xrightarrow{C{{H}_{3}}MgX}B\xrightarrow{[O]}\] [Bihar CEE 2002]
A)
Acetic acid done
clear
B)
Isopropyl alcohol done
clear
C)
Acetone done
clear
D)
Ethanol done
clear
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question_answer2)
In the following reaction, product P is \[R-\overset{O\,\,\,}{\mathop{\overset{||\,\,\,\,}{\mathop{C-}}\,}}\,Cl\] \[\underset{Pd-BaS{{O}_{4}}}{\mathop{\xrightarrow{{{H}_{2}}}}}\,P\] [CBSE PMT 1991, 2000, 02; Kerala CET 2001; IIT 1992; AIIMS 1997; AFMC 1998]
A)
\[RC{{H}_{2}}OH\] done
clear
B)
\[R\,COOH\] done
clear
C)
\[RCHO\] done
clear
D)
\[RC{{H}_{3}}\] done
clear
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question_answer3)
Acetophenone is prepared from [CPMT 2003]
A)
Rosenmund reaction done
clear
B)
Sandmayer reaction done
clear
C)
Wurtz reaction done
clear
D)
Friedel craft reaction done
clear
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question_answer4)
Compound which gives acetone on ozonolysis [UPSEAT 2003]
A)
\[C{{H}_{3}}-CH=CH-C{{H}_{3}}\] done
clear
B)
\[{{(C{{H}_{3}})}_{2}}C=C{{(C{{H}_{3}})}_{2}}\] done
clear
C)
\[{{C}_{6}}{{H}_{5}}CH=C{{H}_{2}}\] done
clear
D)
\[C{{H}_{3}}CH=C{{H}_{2}}\] done
clear
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question_answer5)
\[C{{H}_{3}}-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-C{{H}_{2}}-COO{{C}_{2}}{{H}_{5}}\underset{{{H}_{2}}O}{\mathop{\xrightarrow{NaOH}}}\,A,\] product ?A? in the reaction is [RPMT 2003]
A)
\[C{{H}_{3}}COOH\] done
clear
B)
\[{{C}_{2}}{{H}_{5}}OH\] done
clear
C)
\[C{{H}_{3}}COC{{H}_{3}}\] done
clear
D)
\[{{C}_{2}}{{H}_{5}}CHO\] done
clear
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question_answer6)
Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction [EAMCET 2003]
A)
Glyoxal done
clear
B)
Cyclohexane done
clear
C)
Acetophenone done
clear
D)
Hexabromo cyclohexane done
clear
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question_answer7)
Ketones \[(R-\underset{\underset{O}{\mathop{||}}\,}{\mathop{C}}\,-{{R}_{1}})\] where \[R={{R}_{1}}=\] alkyl group. It can be obtained in one step by [CBSE PMT 1997]
A)
Hydrolysis of esters done
clear
B)
Oxidation of primary alcohol done
clear
C)
Oxidation of secondary alcohol done
clear
D)
Reaction of acid halide with alcohols done
clear
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question_answer8)
Predict the product ?B? in the sequence of reaction \[HC\equiv CH\underset{HgS{{O}_{4}}}{\mathop{\xrightarrow{30%{{H}_{2}}S{{O}_{4}}}}}\,A\xrightarrow{NaOH}B\] [CBSE PMT 2001]
A)
\[C{{H}_{3}}COONa\] done
clear
B)
\[C{{H}_{3}}COOH\] done
clear
C)
\[C{{H}_{3}}CHO\] done
clear
D)
\[C{{H}_{3}}-\underset{OH\,\,}{\mathop{\underset{|\,\,\,\,\,\,\,\,\,\,}{\mathop{CH-}}\,}}\,C{{H}_{2}}CHO\] done
clear
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question_answer9)
\[C{{H}_{3}}COCl\underset{Pd/BaS{{O}_{4}}}{\mathop{\xrightarrow{2H}}}\,C{{H}_{3}}CHO+HCl;\] The above reaction is called [JIPMER 1997]
A)
Reimer-Tiemann reaction done
clear
B)
Cannizzaro reaction done
clear
C)
Rosenmund reaction done
clear
D)
Reformatsky reaction done
clear
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question_answer10)
The oxidation of toluene to benzaldehyde by chromyl chloride is called [CBSE PMT 1996; AFMC 1998, 99; AIIMS 2000; JIPMER 2001; AFMC 2001; DCE 2004]
A)
Cannizzaro reaction done
clear
B)
Wurtz reaction done
clear
C)
Etard reaction done
clear
D)
Reimer-Tiemann reaction done
clear
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question_answer11)
From which of the following tertiary butyl alcohol is obtained by the action of methyl magnesium iodide [MP CET 2000]
A)
\[HCHO\] done
clear
B)
\[C{{H}_{3}}CHO\] done
clear
C)
\[C{{H}_{3}}COC{{H}_{3}}\] done
clear
D)
\[C{{O}_{2}}\] done
clear
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question_answer12)
Catalyst used in Rosenmund reduction is [Bihar MEE 1997]
A)
Pd / \[BaS{{O}_{4}}\] done
clear
B)
Zn-Hg couple done
clear
C)
\[LiAl{{H}_{4}}\] done
clear
D)
\[Ni/{{H}_{2}}\] done
clear
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question_answer13)
\[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{{{H}_{2}}O}{\mathop{\xrightarrow{R}}}\,\]Butanone, R is [BHU 2003]
A)
\[H{{g}^{++}}\] done
clear
B)
\[KMn{{O}_{4}}\] done
clear
C)
\[KCl{{O}_{3}}\] done
clear
D)
\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] done
clear
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question_answer14)
Dry heating of calcium acetate gives [DPMT 1979, 81, 96; NCERT 1981; KCET 1993; Bihar CEE 1995; MNR 1986; MP PMT 1997; MP PET 1993, 95; JIPMER 2002; AIIMS 1996; CPMT 1982, 86, 96, 2003; RPMT 2002]
A)
Acetaldehyde done
clear
B)
Ethane done
clear
C)
Acetic acid done
clear
D)
Acetone done
clear
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question_answer15)
Identify the product C in the series \[C{{H}_{3}}CN\xrightarrow{Na/{{C}_{2}}{{H}_{5}}OH}A\xrightarrow{HN{{O}_{2}}}B\xrightarrow{\text{Tollen }\!\!'\!\!\text{ s reagent}}C\] [MP PET 1999]
A)
\[C{{H}_{3}}COOH\] done
clear
B)
\[C{{H}_{3}}C{{H}_{2}}NHOH\] done
clear
C)
\[C{{H}_{3}}CON{{H}_{2}}\] done
clear
D)
\[C{{H}_{3}}CHO\] done
clear
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question_answer16)
Acetophenone is prepared by the reaction of which of the following in the presence of \[AlC{{l}_{3}}\] catalyst [AIIMS 1996]
A)
Phenol and acetic acid done
clear
B)
Benzene and acetone done
clear
C)
Benzene and acetyl chloride done
clear
D)
Phenol and acetone done
clear
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question_answer17)
Isopropyl alcohol on oxidation gives [RPMT 1997; BHU 1997]
A)
Acetone done
clear
B)
Acetaldehyde done
clear
C)
Ether done
clear
D)
Ethylene done
clear
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question_answer18)
On heating calcium acetate and calcium formate, the product formed is [DPMT 1984; EAMCET 1985; MP PMT 1996, 92; KCET 1990; CPMT 1979, 82, 84; BIT 1992; RPET 2000]
A)
\[C{{H}_{3}}COC{{H}_{3}}\] done
clear
B)
\[C{{H}_{3}}CHO\] done
clear
C)
\[HCHO+CaC{{O}_{3}}\] done
clear
D)
\[C{{H}_{3}}CHO+CaC{{O}_{3}}\] done
clear
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question_answer19)
Which of the following compound gives a ketone with Grignard reagent [CPMT 1988; MP PET 1997]
A)
Formaldehyde done
clear
B)
Ethyl alcohol done
clear
C)
Methyl cyanide done
clear
D)
Methyl iodide done
clear
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question_answer20)
In the Rosenmund's reduction, \[BaS{{O}_{4}}\] taken with catalyst Pd acts as
A)
Promotor done
clear
B)
Catalytic poison done
clear
C)
Cooperator done
clear
D)
Absorber done
clear
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question_answer21)
The Clemmenson reduction of acetone yields
A)
Ethanol done
clear
B)
Ethanal done
clear
C)
Propane done
clear
D)
Propanol done
clear
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question_answer22)
Catalyst \[SnC{{l}_{2}}/HCl\] is used in [BHU 1995]
A)
Stephen's reduction done
clear
B)
Cannizzaro reaction done
clear
C)
Clemmensen's reduction done
clear
D)
Rosenmund's reduction done
clear
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question_answer23)
Methyl ethyl ketone is prepared by the oxidation of [IIT-JEE 1987; MP PMT 1992]
A)
2-propanol done
clear
B)
1-butanol done
clear
C)
2-butanol done
clear
D)
t-butyl alcohol done
clear
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question_answer24)
Benzaldehyde can be prepared by oxidation of toluene by [BHU 1986]
A)
Acidic \[KMn{{O}_{4}}\] done
clear
B)
\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] done
clear
C)
\[Cr{{O}_{2}}C{{l}_{2}}\] done
clear
D)
All of these done
clear
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question_answer25)
\[{{C}_{6}}{{H}_{6}}+CO+HCl\xrightarrow{\text{Anhy }AlC{{l}_{3}}}X+HCl\] Compound X is [DPMT 1979, 83]
A)
\[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\] done
clear
B)
\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}Cl\] done
clear
C)
\[{{C}_{6}}{{H}_{5}}CHO\] done
clear
D)
\[{{C}_{6}}{{H}_{5}}COOH\] done
clear
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question_answer26)
Which of the following gases when passed through warm dilute solution of \[{{H}_{2}}S{{O}_{4}}\] in presence of \[HgS{{O}_{4}}\] gives acetaldehyde [EAMCET 1986]
A)
\[C{{H}_{4}}\] done
clear
B)
\[{{C}_{2}}{{H}_{6}}\] done
clear
C)
\[{{C}_{2}}{{H}_{4}}\] done
clear
D)
\[{{C}_{2}}{{H}_{2}}\] done
clear
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question_answer27)
\[C{{H}_{3}}COC{{H}_{_{3}}}\] can be obtained by [CBSE PMT 1992]
A)
Heating acetaldehyde with methanol done
clear
B)
Oxidation of propyl alcohol done
clear
C)
Oxidation of isopropyl alcohol done
clear
D)
Reduction of propionic acid done
clear
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question_answer28)
Propyne on hydrolysis in presence of HCl and \[HgS{{O}_{4}}\] gives [DPMT 1980; CPMT 1983]
A)
Acetaldehyde done
clear
B)
Acetone done
clear
C)
Formaldehyde done
clear
D)
None of these done
clear
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question_answer29)
Which of the following on reaction with \[N{{H}_{3}}\] gives urinary antiseptic compound [MP PMT 1999]
A)
HCHO done
clear
B)
\[C{{H}_{3}}CHO\] done
clear
C)
\[{{C}_{6}}{{H}_{5}}CHO\] done
clear
D)
\[{{C}_{6}}{{H}_{5}}C{{H}_{2}}CHO\] done
clear
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question_answer30)
The oxidation product of 2-propanol with hot conc. \[HN{{O}_{3}}\] is [JIPMER 1997]
A)
Ethanoic acid done
clear
B)
Propanone done
clear
C)
Propanal done
clear
D)
None of these done
clear
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question_answer31)
Hydrolysis of ozonide of 1-butene gives [Kerala PMT 2003]
A)
Ethylene only done
clear
B)
Acetaldehyde and Formaldehyde done
clear
C)
Propionaldehyde and Formaldehyde done
clear
D)
Acetaldehyde only done
clear
E)
Acetaldehyde and Oxalic acid done
clear
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question_answer32)
Ketones are prepared by
A)
Clemmensen's reduction done
clear
B)
Cannizzaro reaction done
clear
C)
Rosenmund's reduction done
clear
D)
Oppenaur's oxidation done
clear
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question_answer33)
\[{{O}_{3}}\] reacts with \[C{{H}_{2}}=C{{H}_{2}}\] to form ozonide. On hydrolysis it forms [MP PET 1986, 90]
A)
Ethylene oxide done
clear
B)
HCHO done
clear
C)
Ethylene glycol done
clear
D)
Ethyl alcohol done
clear
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question_answer34)
Ethyne on reaction with water in the presence of \[HgS{{O}_{4}}\]and \[{{H}_{2}}S{{O}_{4}}\] gives [UPSEAT 1999; BVP 2003]
A)
Acetone done
clear
B)
Acetaldehyde done
clear
C)
Acetic acid done
clear
D)
Ethyl alcohol done
clear
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question_answer35)
\[C{{H}_{3}}-C{{H}_{2}}-C\equiv CH\underset{{{H}_{2}}S{{O}_{4}}}{\mathop{\xrightarrow{HgS{{O}_{4}}}}}\,\] A, the compound A is [Orissa JEE 2004]
A)
\[\overset{\overset{\,\,\,\,\,\,\,\,\,\,\,\,O}{\mathop{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||}}\,}{\mathop{C{{H}_{3}}-C{{H}_{2}}-C-C{{H}_{3}}}}\,\] done
clear
B)
\[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-CHO\] done
clear
C)
\[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-COOH\] done
clear
D)
None of these done
clear
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question_answer36)
When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is [KCET 2004]
A)
Methanoic acid done
clear
B)
Ethanal done
clear
C)
Methanol done
clear
D)
Methanal done
clear
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question_answer37)
Benzoin is [KCET 2004]
A)
Compound containing an aldehyde and a ketonic group done
clear
B)
a, b-unsaturated acid done
clear
C)
a-hydroxy aldehyde done
clear
D)
a-hydroxy ketone done
clear
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question_answer38)
The oxidation of benzyl chloride with lead nitrate gives [MP PMT 2004]
A)
Benzyl alcohol done
clear
B)
Benzoic acid done
clear
C)
Benzaldehyde done
clear
D)
p-chlorobenzaldehyde done
clear
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question_answer39)
\[R-CH=C{{H}_{2}}+CO+{{H}_{2}}\] \[\underset{\text{High Pressure}}{\mathop{\xrightarrow{\text{High Temp}}}}\,RC{{H}_{2}}C{{H}_{2}}CHO.\] [DPMT 2004] The above reaction is
A)
Mendius reaction done
clear
B)
Oxo process done
clear
C)
Sandorn's reaction done
clear
D)
Stephen's reaction done
clear
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question_answer40)
Glycerol reacts with potassium bisulphate to produce [Pb. CET 2003]
A)
Allyl iodide done
clear
B)
Allyl sulphate done
clear
C)
Acryl aldehyde done
clear
D)
Glycerol trisulphate done
clear
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question_answer41)
The reagent used in Gatterman Koch aldehyde synthesis is [CPMT 2004]
A)
\[Pb/BaS{{O}_{4}}\] done
clear
B)
alkaline \[KMn{{O}_{4}}\] done
clear
C)
acidic \[KMn{{O}_{4}}\] done
clear
D)
\[CO+HCl\] done
clear
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question_answer42)
On reductive ozonolysis yields [Orissa JEE 2005]
A)
6-oxoheptanal done
clear
B)
6-oxoheptanoic acid done
clear
C)
6-hydroxyheptanal done
clear
D)
3-hydroxypentanal done
clear
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question_answer43)
An alkene of molecular formula \[{{C}_{9}}{{H}_{18}}\] on ozonolysis gives 2, 2 dimethyl propanal & 2-butanon, then the alkene is [Kerala CET 2005]
A)
2, 2, 4-trimethyl ?3-hexene done
clear
B)
2, 2, 6-trimethyl-3-hexene done
clear
C)
2, 3, 4-trimethyl-2-hexene done
clear
D)
2, 2, 4-trimethyl-2-hexene done
clear
E)
2, 2dimethyl-2-heptene done
clear
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