1.

MSO_4 overset(NH_4OH)to darr underset("White")(X) underset("excess")overset(NH_4OH)to Y overset(H_2S)todarr Z Here M and Z are

Answer»

`Al, Al_2S_3`
`Fe,FeS`
`Zn,ZNS`
`CU,ZnS`

SOLUTION :`ZnSO_4 overset(NH_4OH)to underset((X))(Zn(OH)_2) underset("Excees")overset(NH_4OH)to underset((Y))("Clear solution")overset(H_2S)tounderset((Z))(ZnS)`
Here,`M = 2Z_a and Z = ZnS`


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