Na2O + O2 + Bi2O3 → 2 NaBiO3

This is an oxidation-reduction (redox) reaction:

2 BiIII - 4 e- → 2 BiV (oxidation)

2 O0 + 4 e- → 2 O-II (reduction)

Bi2O3 is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • Na2O – Sodium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Disodium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sodium monoxide source: ICSC, accessed: 2019-09-04, Disodium monoxide source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; White lumps or powder source: ICSC, accessed: 2019-09-04
  • O2
    • Names: Dioxygen source: wikidata, accessed: 2019-09-07, Oxygen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed: 2019-09-04
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04
  • Bi2O3 – Bismuth trioxide source: wikipedia, accessed: 2019-09-27, Bismuth(III) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Bismite (mineral) source: wikipedia, accessed: 2019-09-27
    • Other names: Bismite source: wikipedia, accessed: 2019-09-27, Bismuth sesquioxide source: wikipedia, accessed: 2019-09-27
    • Appearance: Yellow crystals or powder source: wikipedia, accessed: 2019-09-27

Products:

  • NaBiO3
    • Names: Sodium bismuthate source: wikidata, accessed: 2019-09-02