Ionic EquilibriumHard
Question
Among the different types of salts that have nearly the same solubility product constant Ksp but much smaller than one, the most soluble salt is that which
Options
A.produces maximum number of ions.
B.produces minimum number of ions.
C.produces high charge on ions.
D.produces low charges on ions.
Solution
$A_{x}B_{y}(s) \rightleftharpoons xA^{y +} + yB^{x -}$
$K_{sp} = x^{x}.y^{y}.s^{x + y} \Rightarrow s = \left( \frac{K_{sp}}{x^{x}.y^{y}} \right)^{\frac{1}{x + y}}$
As Ksp << 1, greater the value of (x + y), greater is s.
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