1.

Which of the following is most soluble in water ?A. `MnS (K_(SP)=8xx-37)`B. `ZnS (K_(SP)=7xx10^(-16))`C. `Bi_(2)S_(3) (K_(SP)= xx10^(-70))`D. `Ag_(2)S (K_(SP)=6xx10^(-5))`

Answer» Correct Answer - B
Find solubility for each separtely by `S^(2)=K_(SP)` for `MnS` and `ZnS`. `108S^(5)=K_(SP)` for `Bi_(2)S_(3)` and `4S^(3)=K_(SP)` for `Ag_(2)S`.


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