MHT CET 2024 Chemistry question

Which of the following conversions is Hofmann Elimination reaction?

(A)R\,CONH_2 \xrightarrow{Br_2,KOH_{aq}} R-NH_2
(B)
(C)Correct
(D)

Answer: (C)

Solution

Hofmann elimination: a quaternary ammonium halide is converted by moist into the quaternary ammonium hydroxide, which on heating undergoes -elimination to give the less substituted alkene, a tertiary amine and water: R_4N^+X^-\xrightarrow{moist Ag_2O}$

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Question ID VK-099687