JEE Main Chemistry question

Assertion: A stable diazonium salt is formed when (any) primary amine reacts with nitrous acid.

Reason: is the leaving group.

(A)Assertion is True, Reason is True; Reason is correct explanation for Assertion
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is True, Reason is False
(D)Assertion is False, Reason is TrueCorrect

Answer: (D)

Solution

The Assertion, as a blanket statement about "primary amines" in general, is false: only AROMATIC primary amines (such as aniline) form diazonium salts that are reasonably stable at low temperature; ALIPHATIC primary amines form diazonium salts that decompose immediately, liberating

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Question ID VK-150413