MHT CET 2025 Chemistry question

Which from following reagents is used in Gatterman-Koch formylation of arene ?

(A)
(B) (anhyd. )Correct
(C) ()
(D)DIBAL-H

Answer: (B)

Solution

In the Gattermann-Koch reaction, benzene (or an alkylbenzene) is treated with carbon monoxide and hydrogen chloride in the presence of anhydrous (with a trace of ) to give benzaldehyde: . The electrophile is the

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Question ID VK-101315