2 KHSO3 → K2S2O5 + H2O

Reactants:

  • KHSO3 – Potassium hydrogen sulfite source: wikipedia, accessed: 2019-09-27
    • Other names: Potassium bisulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Potassium bisulphite solution source: wikipedia, accessed: 2019-09-27, Sulfurous acid source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline powder source: wikipedia, accessed: 2019-09-27

Products:

  • K2S2O5
    • Names: Potassium metabisulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Potassium pyrosulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Dipotassium disulfite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Appearance: White crystalline powder source: wikipedia, accessed: 2019-09-27; White crystalline powder with pungent odour source: ICSC, accessed: 2019-09-04
  • 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