The only cations present in a slightly acidic solution are Fe 3 + , Zn 2 + and Cu 2 + …
Chemistry · NEET · NTA Exams — d- and f- Block Elements
The only cations present in a slightly acidic solution are Fe3+, Zn2+ and Cu2+. The reagent which when added in excess to this solution would identify and separate Fe3+ in one step is:
- 2 M HCl
- 6 M NH3
- 6 M NaOH
- H2S gas
Answer
(B) 6 M NH 3
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