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STD 12 - 7. Alcohol, phenol and ethers — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 7. Alcohol, phenol and ethers4 Marks
MCQ
Phenol is
  • A
    A weaker base than $N{H_3}$
  • B
    Stronger than carbonic acid
  • ✓
    Weaker than carbonic acid
  • D
    A neutral compound
✓

Answer

Correct option: C.
Weaker than carbonic acid
c
(c) Phenol is weaker acid than carbonic acid

$\mathop {{K_a} = {{10}^{ - 8}} - {{10}^{ - 10}}}\limits^{{C_6}{H_5}OH} $,              $\mathop {{K_a} = {{10}^{ - 7}}}\limits^{{H_2}C{O_3}} $,            $\mathop {{K_a} = {{10}^{ - 5}}}\limits^{C{H_3}COOH} $

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