MHT CET 2026 Chemistry question

Identify the name of reaction when phenol reacts with chloroform in aqueous NaOH.

(A)Kolbe's reaction
(B)Reimer-Tiemann reactionCorrect
(C)Williamson synthesis
(D)Friedel-Crafts acylation

Answer: (B)

Solution

Treating phenol with chloroform in aqueous NaOH, followed by acidification, introduces a group on the ring, mainly at the ortho position, giving salicylaldehyde. This is the Reimer-Tiemann reaction (the electrophile is

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Question ID VK-098494