Distinguish: a)phenol and benzoic acid b)benzoic acid and benzoate
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1. Reaction with ferric chloride: Phenol give violet color (iron-phenol complex) while benzoic acid give a buff color (ferric benzoate)
2. Reaction with sodium bicarbonate: Benzoic acid gives effervescence of carbon dioxide while phenol doesn't.
2. Reaction with sodium bicarbonate: Benzoic acid gives effervescence of carbon dioxide while phenol doesn't.
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