76 th qn; with explanation please ,b )is the correcta option pls explain - Chemistry - The d-and f-Block Elements

Question

76 th qn; with explanation please ,b )is the correcta option pls
explain

Vartika Jain · Accepted Answer

Dear Student,

The correct answer is (b)

Sodium salts are highly soluble in water and therefore, it is the
most soluble
Among CuS and ZnS, Ksp of CuS is less than ZnS,
therefore, ZnS is more soluble Hence, the order will be
Na2S > ZnS >CuS

76 th qn; with explanation please.,b )is the correcta option pls explain