Identify the correct order of solubility of `Na_2 S , CuS` and `ZnS` in aqueous medium

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Q 2660545415.     Identify the correct order of solubility of `Na_2 S , CuS` and `ZnS` in aqueous medium
JEE 2002 Prelims
A

`CuS > ZnS > Na_2S`

B

`ZnS > Na_2S > CuS`

C

`Na_2S > CuS > ZnS`

D

`Na_2S > ZnS > CuS`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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