Q.

Assertion (A) : pKa of phenol is 4.19 and that of benzoic acid is 10
Reason (R) : Phenoxide ion is stabilised by non-equivalent resonance structures whereas benzoate ion by two equivalent resonance structures

The correct option among the following is

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a

A and R are true. R is the correct explanation of A

b

A and R are true, but R is not the correct explanation for A

c

A is true but R is false

d

A is false but R is true

answer is D.

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