First slide

Solubility product(KSP)

Question

Statement I : Sparingly soluble salts AB and XY₂ with the same solubility product, will have different solubility.
Statement II : solubility of sparingly soluble salt depend upon solubility product.

Easy

A

Statement I and II are correct
B

Statement I is correct and Statement II is incorrect
C

Statement - I is incorrect and Statement II is correct
D

Both statement - I and statement - II are False

Solution

$AB(s)⇌ \underset{S_{1}}{AB(aq})→ \underset{S_{1}}{A^{+}} (aq) + \underset{S_{1}}{B^{-}} (aq)$
(K_sp)_AB = S₁ x S₁ = S₁²
${XY}_{2} (s) ⇌ {XY}_{2} (aq) \to X_{S_{2}}^{+ 2} (aq) + 2 Y_{2 S_{2}}^{-} (aq)$
${(K_{sp})}_{{XY}_{2}} = S_{2} \times {(2 S_{2})}^{2} = 4 S_{2}^{3}$
Even if K_sp for both the salts are same, they will have different values of solubilities.
Solubility product depends on solubility and stoichiometry.( also on temperature)

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