Equilibrium Question 250

Question: In hydrolysis of a salt of weak acid and strong base, $ {A^{-}}+H_2O $ ⇄ $ HA+O{H^{-}}, $ the hydrolysis constant $ (K_{h}) $ is equal to.- [Orissa JEE 2002]

Options:

A) $ \frac{K_{w}}{K_{a}} $

B) $ \frac{K_{w}}{K_{b}} $

C) $ \sqrt{\frac{K_{a}}{C}} $

D) $ \frac{K_{w}}{K_{a}\times K_{b}} $

Show Answer

Answer:

Correct Answer: A

Solution:

Hydrolysis constant $ h=\frac{K_{w}}{K_{a}} $



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