SiCl4 (l) → 2 Cl2 (g) + Si (s)

This is an oxidation-reduction (redox) reaction:

SiIV + 4 e- → Si0 (reduction)

4 Cl-I - 4 e- → 4 Cl0 (oxidation)

SiCl4 is an oxidizing agent, SiCl4 is a reducing agent.

Reactants:

  • SiCl4 – Silicon (IV) chloride source: wikipedia, accessed: 2019-09-27
    • Other names: Silicon tetrachloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Tetrachlorosilane source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Silicon chloride source: ICSC, accessed: 2019-09-04
    • Appearance: Colourless liquid source: wikipedia, accessed: 2019-09-27; Colourless clear fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04

Products:

  • Cl2
    • Names: Chlorine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Molecular chlorine source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Greenish-yellow compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • Si
    • Names: Silicon source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Si source: wikidata, accessed: 2019-09-07, Element 14 source: wikidata, accessed: 2019-09-07
    • Appearance: Steel-grey crystals or black-to-brown amorphous powder source: ICSC, accessed: 2019-09-04; Black to gray, lustrous, needle-like crystals. [Note: The amorphous form is a dark-brown powder.] source: NIOSH NPG, accessed: 2019-09-02