5 Fe (s) + 2 KMnO4 (aq) + 16 HCl (aq) 2 MnCl2 (aq) + 5 FeCl2 (aq) + 2 KCl (aq) + 8 H2O (l)

This is an oxidation-reduction (redox) reaction:

2 MnVII + 10 e- 2 MnII (reduction)

5 Fe0 - 10 e- 5 FeII (oxidation)

KMnO4 is an oxidizing agent, Fe is a reducing agent.

Reactants:

  • Fe
    • Names: Iron source: wikidata, accessed on: 2019-09-07, Fe source: wikidata, accessed on: 2019-09-07, Element 26 source: wikidata, accessed on: 2019-09-07
  • KMnO4Potassium manganate(VII) source: wikipedia, accessed on: 2019-09-27
    • Other names: Potassium permanganate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Chameleon mineral source: wikipedia, accessed on: 2019-09-27, Condy's crystals source: wikipedia, accessed on: 2019-09-27
    • Appearance: Purplish-bronze-gray needles | magenta–rose in solution source: wikipedia, accessed on: 2019-09-27; Dark purple crystals source: ICSC, accessed on: 2019-09-04
  • HClChlorane source: wikipedia, accessed on: 2019-09-27, Hydrogen chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed on: 2019-09-27source: NIOSH NPG, accessed on: 2019-09-02, Hydrochloric acid gas source: wikipedia, accessed on: 2019-09-27, HCl source: wikidata, accessed on: 2019-09-02
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed on: 2019-09-27; Colorless gas source: wikipedia, accessed on: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed on: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed on: 2019-09-02

Products:

  • MnCl2Manganese(II) chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Manganese dichloride source: wikipedia, accessed on: 2019-09-27
    • Other names: Manganous chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Manganous dichloride source: wikidata, accessed on: 2019-09-02, Manganese(II) chloride (1:2) source: wikidata, accessed on: 2019-09-02
    • Appearance: Pink solid (tetrahydrate) source: wikipedia, accessed on: 2019-09-27
  • FeCl2Iron(II) chloride source: wikipedia, accessed on: 2019-09-27source: ICSC, accessed on: 2019-09-04, Iron dichloride source: wikipedia, accessed on: 2019-09-27source: ICSC, accessed on: 2019-09-04
    • Other names: Ferrous chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Rokühnite source: wikipedia, accessed on: 2019-09-27, [FeCl3] source: wikidata, accessed on: 2019-09-02, FeCl3 source: wikidata, accessed on: 2019-09-02
    • Appearance: Tan solid (anhydrous) | Pale green solid (di-tetrahydrate) source: wikipedia, accessed on: 2019-09-27; White-to-light-green hygroscopic crystals source: ICSC, accessed on: 2019-09-04
  • KCl
    • Names: Potassium chloride source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Sylvite source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Muriate of potash source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: White crystalline solid source: wikipedia, accessed on: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed on: 2019-09-04
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27