Potassium hexacyanoferrate(II) is often represented by the formula \( K_2[Fe(CN)_6] \). In this complex, the iron (Fe) is in the +2 oxidation state and is coordinated to six cyanide (CN\(^-\)) ligands.
Coordination Number: 6
Geometry: Octahedral
This is typical for metal complexes with six ligands surrounding the central metal ion.
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