question_answer

On passing \[{{H}_{2}}S\] gas through a solution of \[C{{u}^{+}}\] and \[Z{{n}^{+2}}\] ions, CuS is precipitated first because               [AMU 2001]

A)                 Solubility product of CuS is equal to the ionic product of ZnS

B)                 Solubility product of CuS is equal to the solubility product of ZnS

C)                 Solubility product of CuS is lower than the solubility product of ZnS

D)                 Solubility product of CuS is greater than the solubility product of ZnS