K 4 [Fe(CN) 6 ] can be used to detect one or more out of Fe 2+ , Fe 3+ , Zn 2+ , Cu 2+ …
Chemistry · JEE Main · NTA Exams — Principles Related To Practical Chemistry
K4[Fe(CN)6] can be used to detect one or more out of
Fe2+ , Fe3+, Zn2+, Cu2+, Ag+ , Ca2+ :
Fe2+ , Fe3+, Zn2+, Cu2+, Ag+ , Ca2+ :
- only Fe2+, Fe3+
- only Fe3+, Zn2+, Cu2+
- all but not Ca2+
- all of these.
Answer
(C) all but not Ca 2+
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