As + O2 → AsO2

This is an oxidation-reduction (redox) reaction:

As0 - 4 e- → AsIV (oxidation)

2 O0 + 4 e- → 2 O-II (reduction)

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

Reactants:

  • As
    • Names: Arsenic source: ICSC, accessed: 2019-09-04, Grey arsenic source: ICSC, accessed: 2019-09-04
    • Appearance: Brittle grey metallic-looking 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

Products:

  • AsO2