First slide

Salt hydrolysis :

Question

Statement I : Aqueous solution of ammonium acetate is neutral.
Statement II : Dissociation constants of NH₄OH (K_b) and that of CH₃COOH (K_a) are nearly equal.

Easy

A

Statement I and II are correct
B

Statement I is correct and Statement II incorrect
C

Statement - I is incorrect and Statement II is correct
D

Both statement - I and statement - II are False

Solution

P^H of an aqueous solution of CH₃COONH₄ is given as $P^{H} = \frac{1}{2} [P^{K_{w}} + P^{K_{a}} - P^{K_{b}}]$
If ${(K_{a})}_{{CH}_{3} COOH}$ = ${(K_{b})}_{{NH}_{4} OH}$ then $P^{H} ≅ \frac{1}{2} [P^{K_{w}}] = 7$

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