1.

Assertion (A): Aqueous solution of ammonium acetate is neutral Reason(R): Dissociation constants of NH_(4),OH(K_(6)) and that of CH_(3),COOH (K_(a)) are nearly equal.

Answer»

Both (A ) and (R ) are true and (R )is the correct explanation of (A )
Both (A) and (R ) are true and (R )is not the correct explanation of (A)
(A ) is true but (R ) is FALSE
(A ) is false but (R ) is true

SOLUTION :pKaof `CH_3COOH =pKb ` of ` NH_4OH`
`therefore PH" of "CH_3COONH_4 = 7`


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