In a reaction, ( CH_3 )_2 CHMgBr + CO_2 [ ether ] dry A [ dil HCl ] H OH B Find the product 'B' of above reaction.

MHT CET 2025 Chemistry question

In a reaction, Find the product 'B' of above reaction.

(A)Propanoic acid
(B)2-Methyl propanoic acidCorrect
(C)Butanoic acid
(D)2, 2-dimethyl ethanoic acid

Answer: (B)

Solution

The Grignard reagent isopropylmagnesium bromide adds to the carbonyl carbon of dry-ice to give the magnesium carboxylate (A). Acid hydrolysis with dil. HCl/water then liberates the free carboxylic acid (B), which has one

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Question ID VK-102057