JEE Main Chemistry question

[IIT 2011] Among the following, the most acidic compound is

(A)*p*-Nitrophenol
(B)*p*-Hydroxybenzoic acid
(C)*o*-Hydroxybenzoic acid (salicylic acid)Correct
(D)*p*-Toluic acid

Answer: (C)

Solution

A phenol (even one activated by a strong EWG, like *p*-nitrophenol, pKₐ ≈ 7.2) is intrinsically a weaker acid class than a carboxylic acid. Among the carboxylic acids listed, salicylic acid is by far the strongest

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Question ID VK-140360