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The degree of ionisation of an acid HA i...

The degree of ionisation of an acid HA is 0.00001 at 0.1 M concentration. Its dissociation constant will be

A

`10^(-9)`

B

`10^(-11)`

C

`10^(-8)`

D

`10^(-7)`

Text Solution

Verified by Experts

The correct Answer is:
B
`K_(a)=calpha^(2)=0.1xx(10^(-5))^(2)=10^(-11)`
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