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NEET2013ChemistryAlcohols Phenols and EthersActual

Assertion : Aryl sulphonic acid gives phenol on reacting with NaOH at high temperature. Reason : This reaction is electrophilic substitution reaction.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

C. If assertion is true but reason is false.

Step-by-step solution

This is nucleophilic aromatic substitution reaction and occurs via the additionelimination mechanism with SO ₃ ²⁻ as the leaving group.

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