Chemistry · Coordination Compounds
In which of the following complex ions or compounds does the central atom exhibit an oxidation state of +3?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1K2[Ni(CN)4]
- 2K4[Fe(CN)6]
- 3[Fe(C2O4)3]3-✓
- 4[Cu(NH3)4]2+
Correct answer
[Fe(C2O4)3]3-
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