IO3- + 3 HSO3- → (I)- + 3 SO42- + 3 H+

This is an oxidation-reduction (redox) reaction:

3 SIV - 6 e- → 3 SVI (oxidation)

IV + 6 e- → I-I (reduction)

HSO3- is a reducing agent, IO3- is an oxidizing agent.

Reactants:

  • IO3-
  • HSO3-

Products:

  • I-
  • 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
  • H+