2 CuFeS2 + O2 2 FeS + Cu2S + SO2

This is an oxidation-reduction (redox) reaction:

2 CuII + 2 e- 2 CuI (reduction)

S-II - 6 e- SIV (oxidation)

2 O0 + 4 e- 2 O-II (reduction)

CuFeS2 is an oxidizing agent, CuFeS2 is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • CuFeS2
  • 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:

  • FeS
    • Names: Iron(II) sulfide source: wikipedia, accessed on: 2019-09-27, Iron sulfide source: wikipedia, accessed on: 2019-09-27, Ferrous sulfide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: Gray, sometimes in lumps or powder source: wikipedia, accessed on: 2019-09-27
  • Cu2SCopper(I) Sulphide source: wikipedia, accessed on: 2019-09-27
    • Other names: Copper(I) sulfide source: wikipedia, accessed on: 2019-09-27, Cuprous sulfide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Chalcocite source: wikipedia, accessed on: 2019-09-27
  • 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