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In acid buffer solution (pH = 4.4), the ...

In acid buffer solution `(pH = 4.4)`, the ratio of concentrations of acid to salt is `2 : 1`. The value of dissociation constant of weak acid may be

A

`1.8xx10^(-4)`

B

`2xx10^(-7)`

C

`4xx10^(-5)`

D

`2xx10^(-5)`

Text Solution

Verified by Experts

The correct Answer is:
D
`p^(H)=p^(ka)+log""(["salt"])/(["acid"])`
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