1
MCQ (Single Correct Answer)

AIPMT 2008

In a reaction of aniline a coloured product C was obtained.

The structure of C would be
A
B
C
D

Explanation

2
MCQ (Single Correct Answer)

AIPMT 2007

Which one of the following on reduction with lithium aluminium hydride yields a secondary amine?
A
Methyl isocyanide
B
Acetamide
C
Methyl cyanide
D
Nitroethane

Explanation

Reduction of alkyl isocyanides in presence of LiAlH4 yields secondary amines containing methyl as one of the alkyl group.

3
MCQ (Single Correct Answer)

AIPMT 2006

Which of the following is more basic than aniline?
A
Benzylamine
B
Diphenylamine
C
Triphenylamine
D
$$p$$-Nitroaniline

Explanation

Benzylamine is more basic than aniline. The reason is that in aniline, the lone pair of nitrogen is conjugated with benzene ring so it is not available readily for others. On the other hand in Benzylamine, nitrogen is not directly attached with ring so lone pairs are not conjugated with ring.
4
MCQ (Single Correct Answer)

AIPMT 2005

Aniline in a set of reactions yielded a product D.

The structure of the product D would be
A
C6H5NHOH
B
C6H5NHCH2CH3
C
C6H5CH2NH2
D
C6H5CH2OH

Explanation

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