O2 + 2 K K2O2

This is an oxidation-reduction (redox) reaction:

2 K0 - 2 e- 2 KI (oxidation)

2 O0 + 2 e- 2 O-I (reduction)

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

Reactants:

  • 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
  • K
    • Names: Potassium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, K source: wikidata, accessed: 2019-09-07, Element 19 source: wikidata, accessed: 2019-09-07, Kalium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04
    • Appearance: White-to-grey lumps source: ICSC, accessed: 2019-09-04

Products:

  • K2O2Potassium peroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: Yellow amorphous solid source: wikipedia, accessed: 2019-09-27