5 FeCl2 + KMnO4 + 8 HCl → 5 FeCl3 + MnCl2 + KCl + 4 H2O
This is an oxidation-reduction (redox) reaction:
MnVII + 5 e- → MnII (reduction)
5 FeII - 5 e- → 5 FeIII (oxidation)
KMnO4 is an oxidizing agent, FeCl2 is a reducing agent.
Reactants:
- FeCl2 – Iron(II) chloride , Iron dichloride
- KMnO4 – Potassium manganate(VII)
- 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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