1.

Identify the correct order of solubility in aqueous medium…..

Answer»

`Na_(2)S gt CUS gt ZNS`
`Na_(2)S gt ZnS gt CuS`
`CuS gt ZnS gt Na_(2)S`
`ZnS gt Na_(2)S gt CuS`

Solution :The `K_(sp) (ZnS)` is LARGER than `K_(sp)` [CuS]


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