MCQ
$MX$ is a salt formed by neutralisation of strong base, $MOH$, and weak acid , $HX$. If the dissociation constant of $HX$ is $K_a$ and solubility product of $MX$ is $k_{sp}$ , then the solubility of $MX$ in aqueous acidic solution may be given as
- A$\sqrt {{k_{sp}}} $
- B$\sqrt {{k_{sp}}.{k_a}} $
- ✓$\sqrt {{k_{sp}}.\left( {1 + \frac{{\left[ {{H^ + }} \right]}}{{{K_a}}}} \right)} $
- D$\sqrt {{k_{sp}}.\left( {1 + \frac{{{k_a}}}{{\left[ {{H^ + }} \right]}}} \right)} $