Phenol can be converted to o-hydroxybenzaldehyde by

Options

A. a) Kolbe's reaction
B. b) Reimer-Tiemann reaction
C. c) Wurtz reaction
D. d) Cannizaro reaction

Answer

B

Explanation

Treatment of phenol with chloroform in presence of aqueous NaOH or KOH at `70^(@)C` followed by hydrolysis gives o-hydroxybenzaldehyde (salicylaldehyde) as the major product. This reaction is called Reimer-Tiemann reaction.