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Give one reaction to show that phenol is...

Give one reaction to show that phenol is acidic in nature.

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Following reactions show the acidic nature of phenol:
(a) Reaction with sodium `H_(2)` gas is produced.

(b) Reaction with sodium hydroxide Forms.sodium salt and water.

Comparison of acidic character of phenol and ethanol
Phenol is more acidic than ethanol because after losing a proton `(H^(+))`, phenol forms phenoxide ion which is stabilised by resonance whereas ethoxide ion is not.

Resonating Structure of Phenoxide lon
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