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Question: Answered & Verified by Expert
Assertion : Aryl sulphonic acid gives phenol on reacting with $\mathrm{NaOH}$ at high temperature.
Reason : This reaction is electrophilic substitution reaction.
ChemistryAlcohols Phenols and EthersAIIMSAIIMS 2013
Options:
  • A If both assertion and reason are true and reason is the correct explanation of assertion.
  • B If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C If assertion is true but reason is false.
  • D If both assertion and reason are false.
Solution:
1967 Upvotes Verified Answer
The correct answer is: If assertion is true but reason is false.


This is nucleophilic aromatic substitution reaction and occurs via the additionelimination mechanism with $\mathrm{SO}_3{ }^{2-}$ as the leaving group.

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