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Question: Answered & Verified by Expert
When phenol is treated with $\mathrm{CHCl}_3$ and $\mathrm{NaOH}$, the product formed is:
ChemistryAlcohols Phenols and EthersNEETNEET 2002
Options:
  • A benzaldehyde
  • B salicylaldehyde
  • C salicylic acid
  • D benzoic acid
Solution:
2704 Upvotes Verified Answer
The correct answer is: salicylaldehyde
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.

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