Fe2S3 + 3 O2 2 Fe + 3 SO2

This is an oxidation-reduction (redox) reaction:

3 S-II - 18 e- 3 SIV (oxidation)

2 FeIII + 6 e- 2 Fe0 (reduction)

6 O0 + 12 e- 6 O-II (reduction)

Fe2S3 is a reducing agent, Fe2S3 is an oxidizing agent, O2 is an oxidizing agent.

Reactants:

  • Fe2S3
    • Names: Iron(3+) sulfide source: wikidata, accessed on: 2019-09-02, Fe2S3 source: wikidata, accessed on: 2019-09-02, Iron sesquisulfide source: wikidata, accessed on: 2019-09-02, Ferric sulfide source: wikidata, accessed on: 2019-09-02
  • 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:

  • 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
  • SO2Sulfur dioxide source: wikipedia, accessed on: 2019-09-28source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Sulfurous anhydride source: wikipedia, accessed on: 2019-09-28source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Sulphur dioxide source: ICSC, accessed on: 2019-09-04source: wikidata, accessed on: 2019-09-02, Sulfurous acid anhydride source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed on: 2019-09-28; Colourless gas or compressed liquefied gas with pungent odour source: ICSC, accessed on: 2019-09-04; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed on: 2019-09-02