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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
The expression for the solubility product of $A{l_2}\,{(S{O_4})_3}$ is
  • A
    ${K_{sp}} = [A{l^{3 + }}]\,\,(SO_4^{2 - }]$
  • ✓
    ${K_{sp}} = {[A{l^{3 + }}]^2}\,\,{(SO_4^{2 - }]^3}$
  • C
    ${K_{sp}} = {[A{l^{3 + }}]^3}\,\,{(SO_4^{2 - }]^2}$
  • D
    ${K_{sp}} = {[A{l^{3 + }}]^2}\,\,{(SO_4^{2 - }]^2}$
✓

Answer

Correct option: B.
${K_{sp}} = {[A{l^{3 + }}]^2}\,\,{(SO_4^{2 - }]^3}$
(b) Solubility of $A{l_2}{(S{O_4})_3}$

$A{l_2}{(S{O_4})_3} ⇌ 2A{l^{ 3 + }} + 3SO_4^{ - \, - }$

${K_{sp}} = {[A{l^{3 + }}]^2}\,{[SO_4^{2 - }]^3}$

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