1.

In hydrolysis of a salt of weak acid and strong base, \[{{A}^{-}}+{{H}_{2}}O\] ⇄ \[HA+O{{H}^{-}},\] the hydrolysis constant \[({{K}_{h}})\] is equal to.?                                         [Orissa JEE 2002]

A. \[\frac{{{K}_{w}}}{{{K}_{a}}}\]
B. \[\frac{{{K}_{w}}}{{{K}_{b}}}\]
C. \[\sqrt{\frac{{{K}_{a}}}{C}}\]
D. \[\frac{{{K}_{w}}}{{{K}_{a}}\times {{K}_{b}}}\]
Answer» B. \[\frac{{{K}_{w}}}{{{K}_{b}}}\]


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