2 KI + O3 + H2O → 2 K(OH) + I2 + O2

This is an oxidation-reduction (redox) reaction:

2 I-I - 2 e- → 2 I0 (oxidation)

O0 + 2 e- → O-II (reduction)

KI is a reducing agent, O3 is an oxidizing agent.

Reactants:

  • KI
    • Names: Potassium iodide source: wikidata, accessed: 2019-09-02, KI source: wikidata, accessed: 2019-09-02, Thyrosafe source: wikidata, accessed: 2019-09-02
  • O3 – Trioxygen source: wikipedia, accessed: 2019-09-27
    • Other names: Ozone source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, 2λ4-trioxidiene; catena-trioxygen source: wikipedia, accessed: 2019-09-27, Triatomic oxygen source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Colourless to pale blue gas source: wikipedia, accessed: 2019-09-27; Colourless or bluish gas with characteristic odour source: ICSC, accessed: 2019-09-04; Colorless to blue gas with a very pungent odor. source: NIOSH NPG, accessed: 2019-09-02
  • 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

Products:

  • K(OH)
  • I2
    • Names: Iodine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Jod source: ICSC, accessed: 2019-09-04, Iode source: ICSC, accessed: 2019-09-04
    • Appearance: Bluish black or dark purple crystals with pungent odour source: ICSC, accessed: 2019-09-04; Violet solid with a sharp, characteristic odor. 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