MHT CET 2026 Chemistry question

Which from following reactions occurs by removal of -CO- group from amide ?

(A)Gabriel phthalimide synthesis
(B)Ammonolysis of halides
(C)Mendius reduction
(D)Hofmann degradationCorrect

Answer: (D)

Solution

In Hofmann bromamide (Hofmann degradation) reaction a primary amide is treated with and aqueous NaOH (or KOH); the carbonyl carbon is lost as carbonate () and a primary amine with one carbon atom less is formed: RCONH_2Br_2$ + 4NaOH →

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Question ID VK-100859