2 KMnO4 + 5 AsCl3 + 16 HCl → 5 AsCl5 + 2 MnCl2 + 2 KCl + 8 H2O
This is an oxidation-reduction (redox) reaction:
2 MnVII + 10 e- → 2 MnII (reduction)
5 AsIII - 10 e- → 5 AsV (oxidation)
KMnO4 is an oxidizing agent, AsCl3 is a reducing agent.
Reactants:
- KMnO4 – Potassium manganate(VII)
- AsCl3
- 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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