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JEE Main Chemistry question

ChemistryAlcohols, Phenols and EthersJEE Main

When a mixture of one mole of benzoic acid and one mole of phenol in water is treated with one mole of NaHCO₃, the product formed will consist of

Answer: (C)

Solution

Sodium bicarbonate is a weak enough base to deprotonate a carboxylic acid (pKₐ ≈ 4–5, releasing CO₂) but NOT acidic/weak phenol (pKₐ ≈ 10), so bicarbonate is far too weak a base to deprotonate phenol under these conditions — however, with only ONE mole of NaHCO₃

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Question ID VK-149471