JEE Main Chemistry question

Ethyl acetate is obtained when methyl magnesium bromide reacts with

(A)Ethyl formateCorrect
(B)Ethyl chloroformate
(C)Acetyl chloride
(D)Carbon dioxide

Answer: (A)

Solution

Grignard reagents add to esters; the organic group of the Grignard reagent becomes bonded to the carbonyl carbon while the alkoxy group of the original ester is retained as a leaving group that re-forms as part of the (eventually over-reacted) product distribution, but with controlled stoichiometry the initially

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Question ID VK-149288