When phenol is treated with $\mathrm{CHCl}_3$ and $\mathrm{NaOH}$, the product formed is:

When phenol is treated with $\mathrm{CHCl}_3$ and $\mathrm{NaOH}$, the product formed is:
  1. benzaldehyde
  2. salicylaldehyde
  3. salicylic acid
  4. benzoic acid

Solution

When phenol is treated with $\mathrm{CHCl}_3$ and $\mathrm{NaOH}$ the product formed is salicylaldehyde, this reaction is known as Reimer-Tiemann reaction. In this reaction chloroform first reacts with sodium hydroxide toproduce dichlorocarbene which is the intermediate of this reaction.

Asked in: NEET 2002

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