JEE Main 2014 Chemistry question

Complete reduction of benzene-diazonium chloride with Zn/HCl gives:

(1)AnilineCorrect
(2)Phenylhydrazine
(3)Azobenzene
(4)Hydrazobenzene

Answer: (1)

Solution

Zinc and hydrochloric acid is a strong reducing system that cleaves the N–N bond completely, taking the diazonium group all the way to the amine; the product is

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Question ID VK-104493