JEE Main Chemistry question

Among the following compounds, which will react with acetone to give a product containing a >C=N– linkage?

(A)C₆H₅NH₂ (aniline)
(B)C₆H₅NHNH₂ (phenylhydrazine)Correct
(C)(CH₃)₃N
(D)C₆H₅NHC₆H₅

Answer: (B)

Solution

Phenylhydrazine's terminal –NH₂ condenses with the ketone's carbonyl, losing water to form a C=N (phenylhydrazone) linkage; aniline (a simple primary aromatic amine attached directly

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Question ID VK-149791