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NEET2015ChemistryAlcohols Phenols and EthersActual

Assertion: Phenol undergoes Kolbe's reaction whereas ethanol does not. Reason : Phenoxide ion is more basic than ethoxide ion.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIfboth 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

Phenol undergoes Kolbe's reaction (an electrophilic substitution reaction) because conjugate base (phenoxide ion) is less basic than ethoxide ( C ₂ H ₅ O ⁻ ) ion.

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