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Question

Predict the final product of the given sequence.

A
NH2CH2(CH2)3CH2NH2
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B
NH2(CH2)3NH2
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C
COOH(CH2)3COOH
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D
NH2CO(CH2)3CONH2
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Solution

The correct option is A NH2CH2(CH2)3CH2NH2
Primary alkyl bromide on reacting with NaCN under nucleophilic substitution reaction. In this reaction both Br groups are replaced by CN molecule.

H2,Ni is a catalytic reducing agent. Nitrile get reduced to primary amines on reacting with H2, Ni.



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