2 NaHSO3 (aq) + O2 (g) 2 NaHSO4 (aq)

This is an oxidation-reduction (redox) reaction:

2 SIV - 4 e- 2 SVI (oxidation)

2 O0 + 4 e- 2 O-II (reduction)

NaHSO3 is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • NaHSO3Sodium hydrogen sulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Sodium bisulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02, E222 source: wikipedia, accessed: 2019-09-27, Sodium bisulphite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; Colourless-to-yellow liquid with characteristic odour source: ICSC, accessed: 2019-09-04; White crystals or powder with a slight odor of sulfur dioxide. source: NIOSH NPG, accessed: 2019-09-02
  • 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

Products:

  • NaHSO4Sodium hydrogen sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Sodium bisulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Sodium acid sulfate source: wikipedia, accessed: 2019-09-27, Bisulfate of soda source: wikipedia, accessed: 2019-09-27
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27