Identify the product 'B' in the following reaction. Dry ice [ Dry ether ] CH_3MgBr A [ dil. HCl ] H_2O B

MHT CET 2023 Chemistry question

Identify the product 'B' in the following reaction.

Dry ice A B

(A)Methanoic acid
(B)Ethanoic acidCorrect
(C)Methanol
(D)Ethanol

Answer: (B)

Solution

Dry ice is solid . The Grignard reagent adds to the C=O of : (A, the magnesium salt of ethanoic acid). Hydrolysis with water and dilute HCl liberates the acid:

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Question ID VK-094717