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Question Bank [2022] — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryQuestion Bank [2022]1 Mark
Question
Write the relationship between molar solubility $(S)$ and solubility product $(K_{sp})$ for $CaF_2​​​​​​​$​​​​​​​.
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Answer

$CaF _{2( s )} \rightleftharpoons Ca _{( aq )}^{2+}+2 F _{( aq )}^{-}$
$x=1, y=2$
$K_{s p}=x^x y^y S^{x+y}=(1)^1(2)^2 S^{1+2}=4 S^3$

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