12th Board Exam Chemistry VVI Objective Question Amines Chapter
13. AMINES
1. Which of the following is the strongest base ?
(A) NH3
(B) CH3 – NH2
(C) (CH3)2 – NH
(D) (CH3)3 – N
| Answer :- (B) |
2. Number of pi (π) bonds in aniline is :
(A) 0
(B) 1
(C) 2
(D) 3
| Answer :- (D) |
3. -CONH2 group is known as:
(A) Amido group
(B) Amino group
(c) Imino group
(D) Carbyl amine
| Answer :- (A) |
4. Primary and secondary amines react with acid chloride or acid anhydride to form
(A) tertiaryammonium salts
(B) substituted amides
(C) diazonium salts
(D) nitro compounds
| Answer :- (B) |
5. The hybridisation of N in NH3 is :
(A) sp3
(B) sp2
(C) sp
(D) d2sp3
| Answer :- (A) |
6. Ammonia changes the moist red litmus paper into :
(A) Blue
(B) Green
(C) Black
(D) White
| Answer :- (A) |
7. The gas evolved when methylamine reacts with nitrous acid is …..
(A) NH3
(B) N2
(C) H2
(D) C2H6
| Answer :- (B) |
8. Reduction of aromatic nitro compounds using Fe and HCI gives …….
(A) aromatic oxime
(B) ‘aromatic hydrocarbon
(C) aromatic primary amine
(D) aromatic amide
| Answer :- (C) |
9. Acid anhydrides on reaction with primary amines give
(A) amide
(B) imide
(C) secondary amine
(D) imine
| Answer :- (A) |
10. CH3CH2NH2 is known as:
(A) Ethyl amine
(B) Propyl amine
(C) Methyl amine
(D) Ammonia
| Answer :- (A) |
11. Which of the following compounds will not undergo azo coupling reaction with benzene diazonium chloride?
(A) Anline
(B) Phenol
(C) Anisole
(D) Nitrobenzene
| Answer :- (D) |
12. Aniline reacts with Acetaldehyde to form :
(A) Carbylamines
(B) Nitrobenzene
(C) Imine
(D) Schifs base
| Answer :- (D) |
13. formula of benzene is :
(A) CH
(B) C2H2
(C) C6H6
(D) None
| Answer :- (C) |
14. A compound on hydrolysis give 1°-amine. The compound is
(A) Anilide
(B) amide
(C) cyanide
(D) None
| Answer :- (B) |
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