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Question: Answered & Verified by Expert
Phenol on treatment with CO2 in the presence of NaOH followed by acidification produces compound X as the major product. X on treatment with CH3CO2O in the presence of catalytic amount of H2SO4 produces:
ChemistryAlcohols Phenols and EthersJEE MainJEE Main 2018 (08 Apr)
Options:
  • A
  • B
  • C
  • D
Solution:
1002 Upvotes Verified Answer
The correct answer is:

Two different reactions are taking place here Kolbe–Schmitt reaction and esterification reaction (treatment of the product of Kolbe–Schmitt reaction with (CH3CO)2O (ester). 

The two reactions can be written as follows:

1.Kolbe–Schmitt reaction: reaction of phenol with carbon dioxide in the presence of sodium hydroxide, followed by acidification converts phenol to 1−1− hydroxybenzoic acid (Salicylic acid).

 

2.Esterification reaction: The salicylic acid is then reacted with acetic anhydride (CH3CO)2O) to form aspirin.

 

solution

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