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Question

Chemistry Question on Alcohols, Phenols and Ethers

Phenol can be converted to o-hydroxybenzaldehyde by

A

Kolbes reaction

B

Reimer-Tiemann reaction

C

Wurtz reaction

D

Cannizaro reaction

Answer

Reimer-Tiemann reaction

Explanation

Solution

Treatment of phenol with chloroform in presence of aqueous NaOHNaOH or KOHKOH at 70C70{}^\circ C followed by hydrolysis gives o-hydroxybenzaldehyde (salicylaldehyde) as the major product. This reaction is called Reimer-Tiemann reaction.