10 KI (aq) + 2 KMnO4 (aq) + 16 HCl (aq) → 2 MnCl2 (aq) + 5 I2 (s) + 12 KCl (aq) + 8 H2O (l)
This is an oxidation-reduction (redox) reaction:
2 MnVII + 10 e- → 2 MnII (reduction)
10 I-I - 10 e- → 10 I0 (oxidation)
KMnO4 is an oxidizing agent, KI is a reducing agent.
This is a precipitation reaction: I2 is the formed precipitate.
Reactants:
- KI
- 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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