Ferricyanide
The octahedral geometry of the ferricyanide ion
Ferricyanide is the name for the anion 3−. Its systematic name is hexacyanoferrate(III) ion. The most common salt of this anion is potassium ferricyanide, a red crystalline material that is used as an oxidant in organic chemistry.
4−, which is a ferrous (Fe2+) derivative. This redox couple is reversible and [...]