The solubility products of MA, MB, MC and MD are 1.8 x 10^-10, 4 x 10^-3, 4 x 10^-5 and 6 x 10^-5, respectively. If a 0.01 M solution of MX is added dropwise to a mixture containing A, B, C and D ions then the one to be precipitated first will be
Correct answer: A. MA Ksp = 1.8 × 10⁻¹⁰
- A. MA Ksp = 1.8 × 10⁻¹⁰
- B. MB - Ksp = 4 × 10⁻³
- C. MC - Ksp = 4 × 10⁻⁵
- D. MD - Ksp = 6 × 10⁻⁵
Explanation
Smallest Ksp → least soluble → precipitates first.Here, MA has the smallest Ksp (1.8×10−10), so MA comes out first when MX is added
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