JEE Main · 2022 · 25 Jun 2022 · Shift 1 · Alcohols Phenols and Ethers

The intermediate X, in the reaction

(A)(see structure)
(B)(see structure)
(C)(see structure)✓ Correct
(D)(see structure)

Answer: (C)

Solution

This is the Reimer-Tiemann reaction where phenol reacts with chloroform in the presence of a base to form salicylaldehyde. The intermediate X is the dichloromethyl phenoxide ion, where the dichloromethyl group (CHCl₂) is attached to the ortho position of the phenoxide. The correct answer is (C).

JEE Main · 2022 · 25 Jun 2022 · Shift 1 · Single correct option

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