Equilibrium Question 151
Question: Let the solubility of an aqueous solution of $ Mg{{(OH)}_2} $ be x then its $ K _{sp} $ is [AIEEE 2002]
Options:
A) $ 4x^{3} $
B) $ 108x^{5} $
C) $ 27x^{4} $
D) $ 9x $
Show Answer
Answer:
Correct Answer: A
Solution:
$ Mg{{(OH)}_2} $ ⇌ $ \underset{(X),}{\mathop{M{g^{++}}}},+\underset{{{(2X)}^{2}}}{\mathop{2O{H^{-}}}}, $
$ K _{sp}=4X^{3} $
