MHT CET 2023 Chemistry question

Identify the compound with highest acidic strength from following

(A)Ethanol
(B)t - Butylalcohol
(C)Phenol
(D)P-nitrophenolCorrect

Answer: (D)

Solution

Acidic strength depends on the stability of the conjugate base. Alcohols (ethanol, t-butyl alcohol) are weaker acids than phenols because alkoxide ions are destabilised by electron-releasing alkyl groups, whereas the phenoxide ion is stabilised by resonance. In

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Question ID VK-095332