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1

AIPMT 2012 Mains

MCQ (Single Correct Answer)
An organic compound (C3H9N) (A), when treated with nitrous acid, gave an alcohol and N2 gas was evolved. (A) on warming with CHCl3 and caustic potash gave (C) which on reduction gave isopropylmethylamine. Predict the structure of (A)
A
B
CH3CH2 $$-$$ NH $$-$$ CH3
C
D
CH3CH2CH2 $$-$$ NH2

Explanation

As A gives alcohol on treatment with nitrous acid thus it should be primary amine. C3H9N has two possible structure with –NH2 group.



As it gives isopropylmethylamine thus it should be isopropyl amine not n-propyl amine.
2

AIPMT 2011 Prelims

MCQ (Single Correct Answer)
What is the product obtained in the following reaction?
A
B
C
D

Explanation

3

AIPMT 2011 Mains

MCQ (Single Correct Answer)
What of the following compounds is most basic?
A
B
C
D

Explanation

In benzylamine the electron pair present on the nitrogen is not delocalised with the benzene ring.
4

AIPMT 2010 Prelims

MCQ (Single Correct Answer)
Aniline in a set of the following reactions yielded a coloured product Y.

The structure of 'Y' would be
A
B
C
D

Explanation

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