The strongest acid among the following is – (a) Salicylic acid (b) m-hydroxybenzoic acid (c) p-hydroxybenzoic acid (d) Benzoic acid

    

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The strongest acid among the following is –

(a) Salicylic acid (b) m-hydroxybenzoic acid

(c) p-hydroxybenzoic acid (d) Benzoic acid

Answer:

(a) Salicylic acid, because it stabilizes the corresponding

salicylate ion by intramolecular H-bonding.