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K(sp) of salt A(3)B(2), for solubility x...

`K_(sp)` of salt `A_(3)B_(2)`, for solubility `x mol L^(-1)`, is

A

`36 x`

B

`72x^(6)`

C

`108x^(5)`

D

`108x^(6)`

Text Solution

Verified by Experts

The correct Answer is:
C
`A_(3)B_(2) hArr underset(3x)3overset(+2)(A) + underset(2x)2overset(-3)(B)_(["for solubility of" `A_(3)B_(2)` as xM])`
`K_(sp) = [A]^(3) xx [B]^(2) = [3x]^(3) xx [2x]^(2) = 108 x^(5)`
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