Ionic EquilibriumHard

Question

The solubility products of MA, MB, MB and MD are 1.8 × 10-10, 4 × 10-3, 4 × 10-8  and 6 × 10-5 respectively. If a solution of MX is added dropwise to a mixture containing 0.01 M  each of  A-, B-, C- and D-  ions, then the one which precipitated first will be:

Options

A.MA
B.MB
C.MC
D.MD

Solution

KSP = [M+] [anion] ;    [M+] required to precipitate MA is less and MA precipitate first.

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