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The pH of a 0.1 molar solution of the ac...

The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionisation constant `K_a` of the acid is

A

`3xx10^-1`

B

`1xx10^-3`

C

`1xx10^-5`

D

`1xx10^-7`

Text Solution

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The correct Answer is:
C
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