MHT CET 2026 Chemistry question

Identify the catalyst used in the Friedel crafts acylation reaction.

(A)Anhydrous Correct
(B)Anhydrous
(C)
(D)Alcoholic KOH

Answer: (A)

Solution

In Friedel-Crafts acylation an arene reacts with an acyl chloride (or anhydride) in the presence of anhydrous , a Lewis acid, which generates the acylium ion : $ + RCOCl {\text{anhyd.

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Question ID VK-099090