Equilibrium Question 154
Question: The solubility of $ CaF_2 $ is a moles/litre. Then its solubility product is -.. [Orissa JEE 2002]
Options:
A) $ s^{2} $
B) $ 4s^{3} $
C) $ 3s^{2} $
D) $ s^{3} $
Show Answer
Answer:
Correct Answer: B
Solution:
$ CaF_2 $ ⇌ $ \underset{(S),}{\mathop{C{a^{++}}}},+\underset{{{(2S)}^{2}}}{\mathop{2{F^{-}}}}, $ ; $ K _{sp}=4S^{3} $
