Column I		Column II
	Solubility is x M		$Ksp$
A	$L{i}_3{K}_3{\left[Al{F}_6\right]}_2$	p	$108x^5$
B	Zirconium phosphate	Q	$2916x^8$
C	Antimony(III) sulphide	r	$27x^4$
D	Aluminium hydroxide	s	$6912x^7$

 

  $\begin{array}{l}\left(a\to q\right)Li{K}_3{\left(AI{F}_6\right)}_2\Rightarrow 3L{i}^{\oplus }+3K^{\oplus }+2{\left(AI{F}_6\right)}^{-3}\\ 3x3x3x\\ K_{sp}=3^3{3}^3{2}^2{x}^8=2916x^8\\ \left(b\to t\right)Z{r}_3{\left(P{O}_4\right)}_4\to 3Z{x}^{+4}+4P{O}_4^{3-}\\ 3x4x\\ K_{sp}=3^3{4}^4{x}^7=6916x^7\end{array}$
  
$\begin{array}{l}\left(c\to p\right)S{b}_2{S}_3\to 2S{b}^{3+}+3S^{2-}\\ 2x3x\\ \left(d\to r\right)AI{\left(OH\right)}_3\to A{I}^{3+}+3\stackrel{\oplus }{O}H\\ x3x\\ K_{sp}=1^1{3}^3{x}^4=27x^4\\ \left(e\to s\right)Ca{F}_2\to C{a}^{2+}+2F^{-}\\ x3x\\ K_{sp}=1^2{2}^3{x}^3=4x^3\end{array}$