Easy MCQ +4 / -1

Phenol is more acidic than alcohols because:

  1. A Phenol has a benzene ring
  2. B Phenoxide ion is resonance stabilised Correct answer
  3. C Phenol has a higher molecular mass
  4. D Phenol forms hydrogen bonds

Solution

Phenol (Ar-OH) is more acidic than aliphatic alcohols because the phenoxide ion (Ar-O⁻) is resonance stabilised by the aromatic ring. Alkoxide ions have no such stabilisation.

About this question

Subject: Chemistry · Chapter: Alcohols, Phenols and Ethers · Topic: Phenols

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