MCQ
The formula of Hexafluorido ferrate (II) ion is ……………..
- A$\left.[ Fe F ]_6\right]^{4-}$
- B$\left.[ Fe F ]_5\right]^{4-}$
- C$\left[ FeF _6\right]^{2-}$
- ✓$\left[ FeF _6\right]^{3+}$
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