If pK(a)=-"log"K(a)=4, and K(a)=Cx^(2-) ...

If `pK_(a)=-"log"K_(a)=4`, and `K_(a)=Cx^(2-)` then Van't Hoff factor for weak monobasic acid when `C=0.01M` is:

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The correct Answer is:

1.1

`K_(a)=Cx^(2)`
`10^(-4) = 10^(-2) xx x^(2)`
`x = 0.1`
`i = 1 + x =1.1`

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