FeS2 + 4 O2 → Fe + 2 SO4

This is an oxidation-reduction (redox) reaction:

2 S-I - 18 e- → 2 SVIII (oxidation)

FeII + 2 e- → Fe0 (reduction)

8 O0 + 16 e- → 8 O-II (reduction)

FeS2 is a reducing agent, FeS2 is an oxidizing agent, O2 is an oxidizing agent.

Reactants:

  • FeS2
    • Names: Ferrous disulfide source: wikidata, accessed: 2019-09-02, Fool's gold source: wikidata, accessed: 2019-09-02, Iron disulfide source: wikidata, 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

Products:

  • Fe
    • Names: Iron source: wikidata, accessed: 2019-09-07, Fe source: wikidata, accessed: 2019-09-07, Element 26 source: wikidata, accessed: 2019-09-07
  • SO4
Warning: Unknown compound 'SO4'