Question

Match the Column I(Salt) with Column II(Solubility product)

Answer 1

Zirconium phosphate ${Zr}_3{\left({PO}_4\right)}_4$

${Zr}_3{\left({PO}_4\right)}_4\rightleftharpoons {3Zr}^{4+}+4{PO}_4^{3-}$

$Ksp={\left(3S\right)}^3{\left(4S\right)}^4$ where $S$ is the solubility

$=27S^3\times 256S^4$

$=6912S^7$

Aluminium phosphate ${AlPO}_4$

${AlPO}_4\rightleftharpoons {Al}^{3+}+{PO}_4^{3-}$

$Ksp=\left(S\right)\left(S\right)$

$=S^2$

Calcium phosphate

${Ca}_3{\left({PO}_4\right)}_2\rightleftharpoons 3{Ca}^{2+}+2{PO}_4^{3-}$

$Ksp={\left(3S\right)}^3{\left(2S\right)}^2$

$=108S^5$

Sodium Phosphate ${Na}_3{PO}_4$

${Na}_3{PO}_4\rightleftharpoons 3{Na}^{+}+{PO}_4^{3-}$

$Ksp={\left(3S\right)}^3\left(S\right)$

$=27S^4$