Q.1.
Chlorine does not react with
-
19%
a) CH3CHO
-
22%
b) C6H5CHO
-
35%
c) propanone
-
23%
d) methanal
Q.2.
Base catalysed aldol condensation occurs with
-
22%
a) propionaldehyde
-
36%
b) 2,2-dimethyl propionaldehyde
-
30%
c) benzaldehyde
-
12%
d) none of the above
Q.3.
Reaction between benzaldehyde and acetophenone in presence of dilute NaOH is known as ... [NEET 2020]
-
24%
a) Cross Cannizzaro’s reaction
-
42%
b) Cross Aldol condensation
-
17%
c) Aldol condensation
-
18%
d) Cannizzaro’s reaction
Q.4.
tion Q2) Identify compound X in the following sequence of reactions ... [NEET 2020]
-
37%
a)
-
17%
b)
-
16%
c)
-
30%
d)
Q.5.
X heated with soda lime and gives ethane. X is ... [ AFMC 2005]
-
46%
a) ethanoic acid
-
17%
b) methanoic acid
-
19%
c) propionic acid
-
18%
d) ether
Q.6.
Which of the following us correct order of acidity? [ AFMC 2011]
-
34%
a) HCOOH > CH3COOH > ClCH2COOH > C2H5COOH
-
39%
b) ClCH2COOH > HCOOH >CH3COOH >C2H5COOH
-
16%
c) CH3COOH > HCOOH > ClCH2COOH > C2H5COOH
-
12%
d) C2H5COOH > CH3COOH > HCOOH > ClCH2COOH
Q.7.
When acetamide reacts with Br2 in presence of NaOH, there is formation of .. [ AFMC 2010]
-
33%
a) CH3NH2
-
39%
b) CH3CH2OH
-
17%
c) CH3CN
-
11%
d) CH3CHO
Q.8.
Which of the following does not give benzoic acid on hydrolysis? [ AFMC 2008]
-
28%
a) Phenyl Cyanide
-
25%
b) Benzoyl Chloride
-
26%
c) Benzyl chloride
-
21%
d) Methyl benzoate
Q.9.
The reagent which does not give acid chloride on treating with carboxylic acid is ... [ AFMC 2007]
-
29%
a) PCl5
-
41%
b) Cl2
-
22%
c) SOCl2
-
8%
d) PCl3
Q.10.
By which reaction a ketone can be converted into hydrocarbon? [ AFMC 1999]
-
18%
a) Aldol condensation
-
23%
b) Reimer -Tiemann reaction
-
19%
c) Cannizaro reaction
-
40%
d) Wilf-Kishner reaction
Q.11.
Which of the following can not be used in Friedel-craft's reaction...[ AFMC 204]
-
16%
a) FeCl3
-
18%
b) FeBr3
-
15%
c) AlCl3
-
51%
d) NaCl
Q.12.
When dihydroxyacetone reacts with HIO4, the product is /are... [ AFMC 2006]
-
12%
a) HCHO
-
14%
b) HCOOH
-
49%
c) HCHO and HCOOH
-
25%
d) HCHO and CO2
Explanation
Q.13.
Acetaldehyde reacts with NH3 to form... [ AFMC 2010]
-
26%
a) An acidic solution
-
34%
b) A basic solution
-
14%
c) A neutral solution
-
26%
d) Urotropine
Q.14.
Acetone mixed with bleaching powder give .. [ AFMC 2004]
-
41%
a) Chloroform
-
30%
b) acetaldehyde
-
12%
c) ethanol
-
17%
d) phosgen
Q.15.
Reactivity towards nucleophilic addition reaction of (I) HCHO ; (II) CH3CHO ; (III) CH3COCH3 is ... ...[ Orissa JEE 2004]
-
30%
a) II > III > I
-
25%
b) III > II > I
-
35%
c) I > II > III
-
11%
d) I > II > III
Q.16.
Acetone reacts with Grignard Reagent to form
-
21%
a) 1° alcohol
-
26%
b) 2° alcohol
-
36%
c) 3° alcohol
-
17%
d) Ether
Q.17.
ion Q15) What is Z in follwing equation
-
14%
a) Phenyl acetic acid
-
21%
b) Toluic acid
-
54%
c) Benzaldehyde
-
11%
d) Benzoic acid
Q.18.
Than One Correct Answer Q16) The group >CO is present in
-
26%
a) aldehydes
-
15%
b) alcohol
-
49%
c) ketones
-
10%
d) ether
Q.19.
ion Q17) Assertion: HCHO has sp2-hybridised carbon and the following geometry Reason:The bond angles are changed due to multipe bond-bond pair repulsion
-
32%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
36%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
24%
c) Assertion is true but, Reason is false
-
8%
d) Assertion is false but, Reason is true
Q.20.
Propyne on hydrolysis in presence of H2SO4 and HgSO4 gives
-
48%
a) Acetone
-
27%
b) Acetadehyde
-
17%
c) Formaldehyde
-
8%
d) None
Explanation
Q.21.
Than One Correct Answer Q19) Which of the following do/does not react with Fehling's solution?
-
41%
a) Acetone
-
18%
b) Acetaldehyde
-
21%
c) Benzaldehyde
-
20%
d) Glucose
Q.22.
Hybridization of carbon in carbonylic group is
-
15%
a) sp
-
52%
b) sp2
-
29%
c) sp3
-
5%
d) none of these
Q.23.
The correct order of reactivity of >CO group in given compounds is
-
33%
a)
-
33%
b)
-
19%
c)
-
14%
d)
Q.24.
Than One Correct Answer Q22) Which give(s) nucleophilic acddition reaction(s)?
-
23%
a) Ethanal
-
29%
b) Methanal
-
34%
c) Propanone
-
15%
d) None of these
Q.25.
Than One Correct Answer Q23) Which of the following undergo(es) Cannizzaro's reaction?
-
32%
a) HCHO
-
35%
b) (CH3)3CCHO
-
18%
c) CH3CH2CHO
-
15%
d) CH3CHO
Q.26.
In presence of dry HCl gas, CH3CHO condense with C2H5OH to give
-
23%
a) aldol
-
28%
b) acetal
-
41%
c) ethyl acetate
-
8%
d) acetal
Explanation
Q.27.
The reduction of benzoyl chloride with H2/Pd - BaSO4 produces
-
16%
a) Benzoyl cyanide
-
16%
b) Benzoic acid
-
21%
c) Benzyl alcohol
-
48%
d) Benzaldehyde
Q.28.
ion Q26) Compound X in follwoing reaction is ....
-
28%
a) CH3COOH
-
19%
b) BrCH2-COOH
-
37%
c) (CH3CO)2O
-
16%
d) CHO - COOH
Explanation
Q.29.
Acetaldehyde is used
-
11%
a) in the preparation of hypnotic drug
-
23%
b) in the preparation of dyes
-
23%
c) in the preparation of chloral
-
44%
d) all are correct
Q.30.
Aldol condensation will not be obsrved in
-
20%
a) Ethanal
-
14%
b) Hexanal
-
30%
c) Phenyl acetaldehyde
-
36%
d) Chloral