SiI4 → Si + 2 I2

This is an oxidation-reduction (redox) reaction:

SiIV + 4 e- → Si0 (reduction)

4 I-I - 4 e- → 4 I0 (oxidation)

SiI4 is an oxidizing agent, SiI4 is a reducing agent.

Reactants:

  • SiI4
    • Names: Silicon tetraiodide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Tetraiodosilane source: wikipedia, accessed: 2019-09-27
    • Appearance: White powder source: wikipedia, accessed: 2019-09-27

Products:

  • 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
  • I2
    • Names: Iodine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Jod source: ICSC, accessed: 2019-09-04, Iode source: ICSC, accessed: 2019-09-04
    • Appearance: Bluish black or dark purple crystals with pungent odour source: ICSC, accessed: 2019-09-04; Violet solid with a sharp, characteristic odor. source: NIOSH NPG, accessed: 2019-09-02