Mg(BrO3)2 + 12 NaHS2O3 → MgS4O6 + 5 Na2S4O6 + 2 NaBr + 6 H2O

This is an oxidation-reduction (redox) reaction:

2 BrV + 12 e- → 2 Br-I (reduction)

24 SII - 12 e- → 24 S5/2 (oxidation)

Mg(BrO3)2 is an oxidizing agent, NaHS2O3 is a reducing agent.

Reactants:

  • Mg(BrO3)2
    • Names: Magnesium bromate source: wikidata, accessed: 2019-09-03
  • NaHS2O3

Products:

  • MgS4O6
  • Na2S4O6
    • Names: Sodium tetrathionate source: wikidata, accessed: 2019-09-03
  • NaBr – Sodium bromide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Bromide salt of sodium source: wikidata, accessed: 2019-09-02, Trisodium tribromide source: wikidata, accessed: 2019-09-02, NaBr source: wikidata, accessed: 2019-09-02
    • Appearance: White powder, hygroscopic source: wikipedia, accessed: 2019-09-27
  • H2O – Water, 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