For a sparingly soluble salt AB2, the equilibrium concentrations of A2+ ions and B– ions are 1.2 × 10–4 M and 0.24 × 10–3 M, respectively. The solubility product of AB2 is : (A) 0.069 × 10–12 (B) 6.91

Question

For a sparingly soluble salt AB2, the equilibrium concentrations of A2+ ions and B– ions are 1.2 × 10–4 M and 0.24 × 10–3 M, respectively. The solubility product of AB2 is :

(A) 0.069 × 10–12
(B) 6.91 × 10–12
(C) 0.276 × 10–12
(D) 27.65 × 10–12

Prashant Kotian · Accepted Answer

Correct answer: B. ubility product of AB2 is : (1) 0.069 × 10–12 (2) 6.91 × 10–12 (3) 0.276 × 10–12 (4) 27.65 × 10–12 Ans. (2) Sol. 2(s) (aq) (aq) AB A 2B    2 sp K [A ][B ]    4 1.2 10 (2.4 10 )       3 6.91 10 M   

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