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If pK(b) for fluoride ion at 25^(@)C is ...

If `pK_(b)` for fluoride ion at `25^(@)C` is `10.83`, the ionisation constant of hydrofluoric acid in water at this temperature is

A

`1.74 xx10^(-5)`

B

`3.52xx10^(-3)`

C

`6.76xx10^(-4)`

D

`5.38xx10^(-2)`

Text Solution

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The correct Answer is:
C
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