MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryIonic equilibriumPrevious Year Questions
Identify the correct order of solubility in aqueous medium. (NEET 2013)
A.Na2S > CuS > ZnS
B.Na2S > ZnS > CuS✓ Correct
C.CuS > ZnS > Na2S
D.ZnS > Na2S > CuS
Explanation
Sodium sulphide is soluble in water. The solubility product (and hence solubility) of ZnS is larger than that of CuS.
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