Periodic TableHard

Question

Identify the correct order of solubility in aqueous medium :

Options

A.CuS > ZnS > Na2S
B.ZnS > Na2S > CuS
C.Na2S > CuS > ZnS
D.Na2S > ZnS > CuS

Solution

Alkali metal salts are more soluble.
Also ZnS is more solution than CuS.

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