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The solubility of A(2)X(5) is x mole dm^...

The solubility of `A_(2)X_(5)` is `x` mole `dm^(-3)`. Its solubility product is

A

`36x^(6)`

B

`64xx10^(4)x^(7)`

C

`126x^(7)`

D

`1.25xx10^(4)x^(7)`

Text Solution

Verified by Experts

The correct Answer is:
D
`A_(2)X_(5)hArr2A^(+5)+5X^(-2)`
`K_(a)=[A^(+5)]^(2)[X^(-2)]^(5)=(2x)^(2)xx(5x)^(5)`
` =4x^(2)xx3125x^(5)=12500x^(7)=1.25xx10^(4)x^(7)`
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