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How many more carbon atoms are present in the amine formed from the reduction of a nitrile, than in the nitrile itself?

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in Chemistry – Class 12 by (188k points)
How many more carbon atoms are present in the amine formed from the reduction of a nitrile, than in the nitrile itself?

(a) 0

(b) 1

(c) 2

(d) 1 or 2

I got this question in examination.

This key question is from Preparation of Amines in section Amines of Chemistry – Class 12

1 Answer

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Best answer
Correct choice is (a) 0

The best explanation: The -CN group of the nitrile is reduced to -CH2-NH2 group. This means that the parent carbon chain of the amine has one more carbon than the parent chain of the nitrile. However, the total number of carbons in both compounds is same as one of the carbon in nitriles is present in the cyanide group.

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