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HX is a weak acid (K(a) = 10^(-5)). If f...

`HX` is a weak acid `(K_(a) = 10^(-5))`. If forms a salt `NaX(0.1M)` on reacting with caustic soda. The degree of hydrlysis of `NaX` is

A

0.01

B

0.0001

C

0.1

D

0.5

Text Solution

Verified by Experts

The correct Answer is:
A
`K_(h)=K_(w)/K_(a)=10^(-9)=0.1h^(2) implies h=0.01`
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