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Ionisation constant of a weak acid (HA) ...

Ionisation constant of a weak acid (HA) in terms of `A_(m)^(oo)` and `A_(m)` is:

A

`K_a=(CLambda_m^oo)/(Lambda_m-Lambda^oo)`

B

`K_a=(CLambda_m^2)/(Lambda_m^oo(Lambda_m^oo-Lambda_m)`

C

`K_a=(CLambda(Lambda_m^oo)^2)/(Lambda_m^oo(Lambda_m^oo-Lambda_m)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
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