Assertion (A) : `P^(H) ` of an aqueous solution of acetic acid remians unchanged on the addition of sodium acetate.
Reason ( R ) : Dissociation of acetic acid is supressed by the addition of soidum acetate due to common ion effect.

Options

A. Both (A ) and (R ) are true and (R ) is the correct explanation of (A )
B. Both (A) and (R ) are true and (R ) is not the correct explanation of (A)
C. (A ) is true but (R ) is false
D. (A ) is false but (R ) is true

Answer

D

Explanation

Common ion effect decreases dissociation