Pharm.D_POC_Amines_MCQ

Pharm.D_POC_Amines_MCQ

1.Reaction by which Diazonium salts are obtained from primary aromatic amines by treating with NaNO2 and HCl at 0-50C is known as
A) Coupling reaction     
B) Sandmayer’s reaction
C) Diazotization reaction   
D) Claisen Condensation

2.The hybridization of nitrogen in an amine is                                                                         
a) sp                                                                                                                                                     
b) sp3                                                                                                                                               
c) sp2                                                                                                                                                   
d) sp4

3.Amines are generally classified as                                                                                             
a) Weak acids                                                                                                                                     
b) Strong acids                                                                                                                                   
c) Weak bases                                                                                                                                 
d) Strong bases

4.Which of the following amine is more basic
a) Ammonia
b) Methyl amine
c) NN-Dimethyl amine
d) Trimethyl amine

5.Aromatic amine are
a) Slightly acidic in nature
b) Strong bases than mineral bases
c) More basic than aliphatic amines
d) Less basic than aliphatic amines

6.Electron releasing groups
a) increases the basicity of amines
b) decreases the basicity of amines
c) it has no effect on the basicity of amines
d) decreases the resonance stabilization of amines 

7.Amines are?
a) sp2 hybridized nitrogen compounds
b) weakly acidic
c) electrophilic
d) have a pyramidal arrangement of bonds

8.Which of the following compound gives azo dye test
 (a) aniline
 (b) methylamine
 (c) diphenylamine
 (d) ethylamine

9.Amines behave as
 (a) lewis acids
 (b) lewis bases
 (c) aprotic acids
 (d) amphoteric compounds

10.Which of the following is an primary amine
a) diphenyl amine
b) triphenyl amine
c) aniline
d) N,N-dimethylaniline

11.What is the acid liberated in situ during diazotisation reaction
a) Hydrochloric acid 
b) Sulphuric acid
c) Nitrous acid 
d) Nitric acid

12.Hoffmann bromide degradation is shown by
a) ArNH2
b) ArCONH2
c) ArNO2
d) ArCH2NH2