2 KClO3 (aq) → 2 KCl (aq) + 3 O2 (g)

This is an oxidation-reduction (redox) reaction:

2 ClV + 12 e- → 2 Cl-I (reduction)

6 O-II - 12 e- → 6 O0 (oxidation)

KClO3 is an oxidizing agent, KClO3 is a reducing agent.

This is a gas evolution reaction, O2 is the formed gas.

Reactants:

  • KClO3
    • Names: Potassium chlorate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Potassium chlorate(V) source: wikipedia, accessed: 2019-09-27, Potcrate source: wikipedia, accessed: 2019-09-27, Potassium oxymuriate source: ICSC, accessed: 2019-09-04
    • Appearance: White crystals or powder source: wikipedia, accessed: 2019-09-27; Colourless crystals or white powder source: ICSC, accessed: 2019-09-04

Products:

  • KCl
    • Names: Potassium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sylvite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Muriate of potash source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White crystalline solid source: wikipedia, accessed: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed: 2019-09-04
  • 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