Phenol on heating with CHCl_3 and NaOH gives salicylaldehyde. The reaction is called:

JEE Main 2013 Chemistry question

Phenol on heating with and NaOH gives salicylaldehyde. The reaction is called:

Answer: (1)

Treating phenol with chloroform and aqueous NaOH introduces a –CHO group

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Question ID VK-104219