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Phenol and benzoic acid may be distinguished by their reaction with :
A. Aqueous `NaOH`
B. Aqueous `NaHCO_(3)`
C. Neutral `FeCl_(3)`
D. Aqueous `NH_(3)`

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Correct Answer - B::C
(b,c) Aqueous `NaHCO_(3)` evolves `CO_(2)` from benzoic acid and not from phenol. Similarly, neutral `FeCl_(3)` gives violet colouration with phenol and not with benzoic acid.

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