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Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction. - Chemistry

Long Answer

Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.

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Solution

  1. Phenol to salicyaldehyde: When phenol is treated with chloroform in an aqueous sodium hydroxide solution followed by hydrolysis with acid, salicylaldehyde is formed.
  2. This reaction is known as the Reimer-Tiemann reaction.
  3. If the solvent chloroform (CHCl3) is replaced by carbon tetrachloride (CCl4), salicylic acid is formed.
Concept: Alcohols and Phenols
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SCERT Maharashtra Question Bank 12th Standard HSC Chemistry Maharashtra State Board 2021
Chapter 11 Alcohols, Phenols and Ethers
Long Answer Questions | Q 1
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