4 Fe (s) + 3 O2 (g) 2 Fe2O3 (s)

This is an oxidation-reduction (redox) reaction:

4 Fe0 - 12 e- 4 FeIII (oxidation)

6 O0 + 12 e- 6 O-II (reduction)

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

Reactants:

  • Fe
    • Names: Iron source: wikidata, accessed on: 2019-09-07, Fe source: wikidata, accessed on: 2019-09-07, Element 26 source: wikidata, accessed on: 2019-09-07
  • O2
    • Names: Dioxygen source: wikidata, accessed on: 2019-09-07, Oxygen source: ICSC, accessed on: 2019-09-04source: wikidata, accessed on: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed on: 2019-09-04
    • Appearance: Odourless compressed gas source: ICSC, accessed on: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed on: 2019-09-04

Products:

  • Fe2O3Iron(III) oxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-07
    • Other names: Ferric oxide source: wikipedia, accessed on: 2019-09-27source: ICSC, accessed on: 2019-09-04source: wikidata, accessed on: 2019-09-07source: NIOSH NPG, accessed on: 2019-09-02, Hematite source: wikipedia, accessed on: 2019-09-27, Ferric iron source: wikipedia, accessed on: 2019-09-27
    • Appearance: Red-brown solid source: wikipedia, accessed on: 2019-09-27; Reddish brown-to-black crystals or powder source: ICSC, accessed on: 2019-09-04; Reddish-brown solid. [Note: Exposure to fume may occur during the arc-welding of iron.] source: NIOSH NPG, accessed on: 2019-09-02; A fine, red powder of ferric oxide. [Note: Usually used in cake form or impregnated in paper or cloth.] source: NIOSH NPG, accessed on: 2019-09-02