Question:
For a sparingly soluble salt ApBq, the relationship of its solubility S with its solubility product Kₛp is:
For a sparingly soluble salt ApBq, the relationship of its solubility S with its solubility product Kₛp is:
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Always raise ion concentration to stoichiometric powers in Kₛp.
Updated On: Mar 20, 2026
- Kₛp=Sᵖ qᵖ+q
- Kₛp=Sp+q
- Kₛp=Spq+qᵖ
- Kₛp=pᵖqqSᵖ+q
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The Correct Option is D
Solution and Explanation
Step 1: Dissociation: ApBq rightleftharpoons pAq++qBᵖ-
Step 2: If solubility is S: [Aq+]=pS, [Bᵖ-]=qS
Step 3: Kₛp=(pS)ᵖ(qS)q=pᵖqqSᵖ+q
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