A weak acid HX has the dissociation constant 1xx10^(-5)M. It forms a salt NaX on reaction with alkali. The degree of hydrolysis of 0.1 M solution of NaX is

A weak acid HX has the dissociation constant 1xx10^(-5)M. It forms a s

1.	A weak acid HX has the dissociation constant 1xx10^(-5)M. It forms a salt NaX on reaction with alkali. The degree of hydrolysis of 0.1 M solution of NaX is
Answer» `0.0001%` `0.01%` `0.1%` `0.15%` Solution :Hydrolysis reaction is `X^(-) + H_(2)O HARR HX+OH^(-)` For a salt of WEAK acid with STRONG base, `K_(h)=(K_(w))/(K_(a))=ch^(2)` `:. (10^(-14))/(10^(-5))=0.1xxh^(2) or h^(2) = 10^(-8) or h = 10^(-4)` % hydrolysis `= 10^(-4) xx 100 = 10^(-2) = 0.01`