3 HClO → 2 HCl + HClO3

This is an oxidation-reduction (redox) reaction:

2 ClI + 4 e- → 2 Cl-I (reduction)

ClI - 4 e- → ClV (oxidation)

HClO is both an oxidizing and a reducing agent (disproportionation (dismutation)).

Reactants:

  • HClO – Hypochlorous acid, chloric(I) acid, chloranol, hydroxidochlorine source: wikipedia, accessed: 2019-09-27
    • Other names: Hypochlorous acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Hydrogen hypochlorite source: wikipedia, accessed: 2019-09-27, Chlorine hydroxide source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless aqueous solution source: wikipedia, accessed: 2019-09-27

Products:

  • HCl – Chlorane source: wikipedia, accessed: 2019-09-27, Hydrogen chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, M source: wikipedia, accessed: 2019-09-27, Uriatic acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed: 2019-09-27; Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • HClO3
    • Names: Chloric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Chloric(V) acid source: wikipedia, accessed: 2019-09-27, HClO3 source: wikidata, accessed: 2019-09-02
    • Appearance: Colourless solution source: wikipedia, accessed: 2019-09-27