1.

Which one amongthe following pairs of ions cannot be separated by H_2S in diluteHCl ?

Answer»

`Al^(3+), Cu^(2+)`
`Zn^(2+), Cu^(2+) `
`Ni^(2+), PB^(2+) `
`Sn^(4+),Bi^(3+)`

Solution :Both BELONG to GROUP II .


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