5 SO22- + 12 H3O+ + 4 MnO4- 4 (Mn)2+ + 5 SO42- + 18 H2O

This is an oxidation-reduction (redox) reaction:

4 MnVII + 20 e- 4 MnII (reduction)

5 SII - 20 e- 5 SVI (oxidation)

MnO4- is an oxidizing agent, SO22- is a reducing agent.

Reactants:

  • SO22-
  • H3O+
    • Names: Hydronium source: wikidata, accessed: 2019-09-07, Hydroxonium source: wikidata, accessed: 2019-09-07, H3O(+) source: wikidata, accessed: 2019-09-07
  • MnO4-

Products:

  • Mn2+
  • SO42-Sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07
    • Other names: Sulfate ion source: wikidata, accessed: 2019-09-07, Sulphate ion source: wikidata, accessed: 2019-09-07, Sulphate source: wikidata, accessed: 2019-09-07
  • H2OWater, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27