2 H2O + 7 O2 + 2 Na2 → 4 HNaO4

This is an oxidation-reduction (redox) reaction:

4 Na0 - 4 e- → 4 NaI (oxidation)

14 O0 + 7 e- → 14 O-1/2 (reduction)

2 O-II - 3 e- → 2 O-1/2 (oxidation)

Na2 is a reducing agent, O2 is an oxidizing agent, H2O is a reducing agent.

Reactants:

  • 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
  • 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
  • Na2

Products:

  • HNaO4
Warning: Unknown compound 'Na2'