Phenol on reaction with CHCl_3 and NaOH gives benzaldehyde. Intermediate of this reaction is **[DCE 2006]**

JEE Main Chemistry question

Phenol on reaction with and NaOH gives benzaldehyde. Intermediate of this reaction is **[DCE 2006]**

(A)Carbocation
(B)Carbanion
(C)Radical
(D)CarbeneCorrect

Answer: (D)

Solution

In the Reimer–Tiemann reaction, NaOH first deprotonates chloroform, and this trichloromethyl carbanion then undergoes -elimination of chloride to generate the reactive

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Question ID VK-148532