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Solubility of sulphides
Concepts tested here
- Solubility order
All Questions
2013 NEET 1 question
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Identify the correct order of solubility in aqueous medium:$Na_2S$ is an alkali metal salt and is freely soluble in water.
ZnS and CuS are sparingly soluble, and $K_{sp}$ of ZnS is greater than that of CuS.
So solubility: $Na_2S > ZnS > CuS$