1.

The only 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 identify and separate Fe^(3+) in one step is

Answer»

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

Answer :B


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