Aldehydes and Ketones (Advanced) - Practice Sheet, Class 12, Chemistry JEE Notes | EduRev

Chemistry for JEE Advanced

JEE : Aldehydes and Ketones (Advanced) - Practice Sheet, Class 12, Chemistry JEE Notes | EduRev

 Page 1


LEARNERS HABITAT
I Multiple Choice Questions: 
1] On vigorous oxidation by permanganate solution. (CH
3
)
2
C = CH 
__
 CH
2 
__
 CHO gives
(2002)
a) CH
3
CH
2
CH
3 
b)
 
 + 
c)
 
CH 
__
 OH + CH
2
CH
2
CH
2
OH
d)
 
C = O + CH
2
CH
2
CHO
2] Which one of the following is reduced with zinc and hydrochloric acid to give the
corresponding hydrocarbon?
a) Acetamide b) Acetic acid c) Ethyl acetate d) Butan -2 one
3] Which one of the following undergoes reaction with 50% sodium hydroxide solution to
give the corresponding alcohol and acid?
a) Butanal b) Benzaldehyde c) Phenol d) Benzoic acid
4] The reaction,
is fastest when X is (2005) 
a) OCOR b) OC
2
H
5
c) NH
2
d) Cl
OH
CH
CH
C
CH
CH
3
CH
3
COOH
HO   C   CH   C   OH
2
O O
CH
3
CH
3
CH
3
CH
3
R     C + Nu R -  C + X
       X        Nu
O  O
LH Practice Sheet ALDEHYDES AND KETONES 
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in Page 1
Page 2


LEARNERS HABITAT
I Multiple Choice Questions: 
1] On vigorous oxidation by permanganate solution. (CH
3
)
2
C = CH 
__
 CH
2 
__
 CHO gives
(2002)
a) CH
3
CH
2
CH
3 
b)
 
 + 
c)
 
CH 
__
 OH + CH
2
CH
2
CH
2
OH
d)
 
C = O + CH
2
CH
2
CHO
2] Which one of the following is reduced with zinc and hydrochloric acid to give the
corresponding hydrocarbon?
a) Acetamide b) Acetic acid c) Ethyl acetate d) Butan -2 one
3] Which one of the following undergoes reaction with 50% sodium hydroxide solution to
give the corresponding alcohol and acid?
a) Butanal b) Benzaldehyde c) Phenol d) Benzoic acid
4] The reaction,
is fastest when X is (2005) 
a) OCOR b) OC
2
H
5
c) NH
2
d) Cl
OH
CH
CH
C
CH
CH
3
CH
3
COOH
HO   C   CH   C   OH
2
O O
CH
3
CH
3
CH
3
CH
3
R     C + Nu R -  C + X
       X        Nu
O  O
LH Practice Sheet ALDEHYDES AND KETONES 
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in Page 1
5] Reaction of cyclohexanone with dimethylamine in the presence of catalytic amount of
an acid forms a compound if water during the reaction is continuously removed. The
compound formed is generally known as                          (2005)
a) an amine b) an imine c) an enamine d) a Schiff’s base
6] The increasing order of the rate of HCN addition to compound A - D is (2006) 
A. HCHO B. CH
3
COCH
3
C. PhCOCH
3
D. PhCOPh
a) C < D < B < A b) A < B < C < D c) D < B < C < A d) D < C < B < A
7] The reagent with which both acetaldehyde and acetone react easily, is (1981, 1M) 
a) Tollen’s reagent b) Schiff’s reagent c) Grignard reagent d) Fehling reagent
8] A compound that gives a positive iodoform test is (1982, 1M)
 
a) 1-pentanol b) 3-pentanone c) 2-pentanone d) pentanal
9] When acetaldehyde is heated with Fehling’s solution, it gives a precipitate of (1983, 1M)
a) Cu b) CuO c) Cu
2
O d) Cu + Cu
2
O + CuO
10] The Cannizaro’s reaction is not given by (1983, 1M) 
a) trimethyl acetaldehyde b) acetaldehyde
c) benzaldehyde d) formaldehyde
11] The compound that will not give iodoform on treatment with alkali and iodine, is
(1985, 1M)
a) acetone b) ethanol c) diethyl ketone d) isopropyl alcohol
12] Which of the following compounds is oxidised to prepare methyl ethyl ketone ?(1987,1M)
a) 2-propanol
b) 1-butanol c) 2-butanol d) t-butyl alcohol
LH Practice Sheet ALDEHYDES AND KETONES 
LEARNERS HABITAT, 97/1, 3rd Floor, Near NCERT Gate No. 01, Adchini, New Delhi. +91-8510800081/82 
www.learnershabitat.ac.in
 
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