CBSE Class 12 Amines with Answers Multiple Choice Questions with Answers. MCQ Questions Class 12 Amines with Answers with Answers Is Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 12 Amines with Answers MCQs with Answers to know their preparation level.
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MCQ Questions Class 12 Amines with Answers - Set - 2
Question 1:
Comparing basic strength of NH3 , CH3 NH2 and C6H5NH2 it may be concluded that
(a) basic strength remains unaffected
(b) basic strength of alkyl amines is lowest
(c) basic strength of aryl amines is lowest
(d) basic strength of NH3 is highest
Correct Answer – (C)
Question 2:
Choose the amide which on reduction with LiAIH4 yields a secondary amine
(a) ethanamide
(b) N-methylethanamide
(c) N, N-dimethylethanamide
(d) phenylmethanamide
(e) butanamide
Correct Answer – (B)
Question 3:
Given the following sequence of reactions,
The major product C is
Correct Answer – (A)
Question 4:
Consider the following reaction,
C6H5NO2 →Sn/HCI X →C6H5COCI Y + HCl What is Y ?
(a) Acetanilide
(b) Benzanilide
(c) Azobenzene
(d) Hydrazobenzene
Correct Answer – (B)
Question 5:
Why do 2° and 3° amines fail to undergo the carbylamine test?
(a) They combine with chloroform to give a stable compound
(b) They react with alcoholic KOH
(c) The nitrogen atom of the amine group does not have the required number of hydrogen atoms
(d) All the given reasons are conect
Correct Answer – (B)
MCQ Questions Class 12 Amines With Answers
Question 6:
Name of method use to separate primary, secondary and tertiary amines is
(a) Hofmann method
(b) Lucas method
(c) Victor Meyer method
(d) Kolbe method
Correct Answer – (A)
Question 7:
Amino group is ortho,para-directing for aromatic electrophilic substitution. On nitration of aniline, a good amount of m-nitroaniline is obtained. This is due to
(a) in nitration mixture, ortho, para-activity of NH2 group is completely lost
(b) —NH2 becomes —NH+3, which is m-clirecting
(c) —NH2 becomes —NH+SO–4 , which is m-clirecting
(d) —NH2 becomes —NH–SO+2 , which ism-directing
Correct Answer – (A)
Question 8:
Which of the following is most basic in nature?
(a) NH3
(b) CH3NH2
(c) (CH3)2NH
(d) C6H5N(CH3)2
Correct Answer – (C)
Question 9:
C2H5NH2 →HNO2 A →PCI B →NH3 C.
Recognize the compound C from the following
(a) propanenitrile
(b) methylamine
(c) ethylamine
(d) acetamide
Correct Answer – (C)
Question 10:
In the chemical reaction,
CH3CH2NH2 + CHCI3 + 3KOH → A + B + 3H2O
The compounds A and B are respectively
(a) CH3CH2CONH2 and 3KCI
(b) C2H5NCand K2CO3
(c) C2H5NCand 3KCI
(d) C2H5CNand 3KCI
Correct Answer – (C)
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