KClO4 + 8 FeCl2 + 8 HCl → 8 FeCl3 + KCl + 4 H2O
This is an oxidation-reduction (redox) reaction:
ClVII + 8 e- → Cl-I (reduction)
8 FeII - 8 e- → 8 FeIII (oxidation)
KClO4 is an oxidizing agent, FeCl2 is a reducing agent.
Reactants:
- KClO4
- FeCl2 – Iron(II) chloride , Iron dichloride
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
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