Ionic EquilibriumHard
Question
Which set is not correct for the solubility product (KSP), solubility (sg/litre) of sparingly soluble salt A3B2 (mol. wt. M) in water:
1. KSP = 108s5 2. KSP =
3. KSP = [1A2+]3 [2B3-]2 4. [B3-] = 
5. 
1. KSP = 108s5 2. KSP =
3. KSP = [1A2+]3 [2B3-]2 4. [B3-] = 5. Options
A.1, 3
B.1,3, 5
C.2, 3, 4
D.2, 4, 5
Solution
A3B2 ⇋ 3A2+ + 2B3+
KSP = [A2+]3[B3+]2.
KSP = (3s)3 (2s)2 = 108s2
KSP = [A2+]3[B3+]2.
KSP = (3s)3 (2s)2 = 108s2
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