JEE Main Chemistry question

[MLNR 1993] Which statement regarding phenols is **not** correct?

(A)Phenols are stronger acids than water and simple alcohols
(B)Phenols are weaker acids than carboxylic acids
(C)Phenols are soluble in both aqueous NaOH and aqueous NaHCO₃Correct
(D)The phenoxide ion is stabilised by resonance into the ring (relative to a simple, non-conjugated alkoxide ion)

Answer: (C)

Solution

Phenol (pKa ≈ 10) is too weak an acid to be deprotonated by the much weaker base bicarbonate (conjugate acid, carbonic acid, pKa₁ ≈ 6.3);

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Question ID VK-140158