Question

# Solubility of salt $$M_{2}X_{3}$$ is y mol $$dm^{-3}$$. The solubility product of the salt will be:

A
6y4
B
64y4
C
36y5
D
108y5

Solution

## The correct option is B $$108 y^{5}$$The solubility of $$M_{2}X_{3}$$ is yThe expression for the solubility product is $$K_{sp}=[2M^{3+}]^2[3X^{2-}]^3$$Substitute values in the above expression.$$K_{sp}=(2y)^2(3y)^3=108y^5$$.Chemistry

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