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The equivalent conductance of M/32 solut...

The equivalent conductance of M/32 solution of a work monobasic acid is 8 mho `cm^(2)` and at infinite dilution is 400 mho `cm^(2)`. The dissociation constant of this acid is

A

`1.25 xx 10 ^(-6)`

B

`6.25 xx 10 ^(-4)`

C

`1.25 xx 10 ^(-4)`

D

`1.25 xx 10 ^(-5)`

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The correct Answer is:
D
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