Identify substrate A in following reaction. A+AgOH [ii) ] i) moist Ag_2O CH_3CH_2N(CH_3)_2+CH_2=CH_2

MHT CET 2023 Chemistry question

Identify substrate A in following reaction.

A+AgOH\xrightarrow[ii)\ \Delta]{i)\ moist\ Ag_2O}CH_3CH_2N(CH_3)_2+CH_2=CH_2

(A)Diethyldimethyl ammonium halideCorrect
(B)Ethyltrimethyl ammonium halide
(C)Diethyldimethyl ammonium hydroxide
(D)Ethyltrimethyl ammonium hydroxide

Answer: (A)

Solution

This is Hofmann elimination of a quaternary ammonium salt: moist (equivalent to AgOH) converts the quaternary ammonium halide into the quaternary ammonium hydroxide, and heating then eliminates a -hydrogen along with the amine. The products are ethyldimethylamine, , and ethene. Ethene

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Question ID VK-097449