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M(OH)(X) has K(SP) 4xx10^(-12) and solub...

`M(OH)_(X)` has `K_(SP) 4xx10^(-12)` and solubility `10^(-4) M`. The value of `x` is:

A

`1`

B

`2`

C

`3`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
B
`{:(M(OH)_(x)hArr,M^(+x)+,xOH^(-)),(,s,xs):}`
`K_(sp) = S.(XS)^(x) = X^(x).S^((x+1)) = 4 xx 10^(-12)` given `() S = 10^(-4)`
`:. x = 2`
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