Q. Let the solubility of an aqueous solution of $Mg(OH)_{2}$ be $X$ then its $K_{sp}$ is
A) $4x^{3}$
B) $108x^{5}$
C) $27x^{4}$
D) $9x$
Explanation
(a)
$Mg(OH)_{2} \rightleftharpoons Mg^{2 +} + 2OH^{-}$
$(x)(2x)^{2}$
$K_{sp} = 4x^{3}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.