1.

The cations present in a slightly acidic solution are Fe^(3+), Zn^(2+) and Cu^(2+). The reagent that when added in excess to this solution would be identified and separated Fe^(3+) in one step is

Answer»

2 M HCl
6 M `NH_(3)`
6 M NAOH
`H_(2)S` gas

Answer :B


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