Q.

Statement-I :  Acetic acid is more acidic than phenol.

Statement-II : Acetate ion has less number of canonical structures as compared to phenoxide ion.

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a

Both statements-I and II are correct

b

Statement-I is correct and statement-II is incorrect

c

Statement-I is incorrect and statement-II is correct

d

Both statements-I and II are incorrect           

answer is A.

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Detailed Solution


Question ImageResonating structure of phenoxide ion:
Question Image

Resonating structure of acetate ion:
Question Image
The products both phenoxide and acetate ions are resonance stabilized. In acetate ion, all the canonical structures are equally contributing. More contributing the resonance structures more will be stability. Hence acetic acid is a better acid than phenol.

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