2 SiO2 + 3 C2 2 SiC + 4 CO

This is an oxidation-reduction (redox) reaction:

4 C0 - 8 e- 4 CII (oxidation)

2 C0 + 8 e- 2 C-IV (reduction)

C2 is both an oxidizing and a reducing agent (disproportionation (dismutation)).

Reactants:

  • SiO2
    • C2
      • Names: Dicarbon source: wikidata, accessed: 2019-09-02, C2 source: wikidata, accessed: 2019-09-02, Diatomic carbon source: wikidata, accessed: 2019-09-02

    Products:

    • SiCSilicon carbide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
      • Other names: Carborundum source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Moissanite source: wikipedia, accessed: 2019-09-28, Silicon carbide (non-fibrous) source: ICSC, accessed: 2019-09-04
      • Appearance: Yellow to green to bluish-black, iridescent crystals source: wikipedia, accessed: 2019-09-28; Yellow-to-green-to-blue-to-black crystals, depending on purity source: ICSC, accessed: 2019-09-04; Yellow to green to bluish-black, iridescent crystals. source: NIOSH NPG, accessed: 2019-09-02
    • COCarbon monoxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
      • Other names: Carbon monooxide source: wikipedia, accessed: 2019-09-27, Carbonous oxide source: wikipedia, accessed: 2019-09-27, Carbon(II) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
      • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Odourless tasteless colourless compressed gas source: ICSC, accessed: 2019-09-04; Colorless, odorless gas. [Note: Shipped as a nonliquefied or liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02