KnowraFerricyanideLinked fromLinked fromThe 2 pages that link to Ferricyanide, each with the reason it gives.All 2Broader topic 1Compared with 1Potassium ferricyanideBroader topic: This anion is the active oxidizing species in the salt.Potassium ferrocyanideCompared with: Its +3 iron center distinguishes it from the +2 center in ferrocyanide.