2 BCl3 (g) + 3 Zn (s) → 2 B (s) + 3 ZnCl2 (aq)

This is an oxidation-reduction (redox) reaction:

2 BIII + 6 e- → 2 B0 (reduction)

3 Zn0 - 6 e- → 3 ZnII (oxidation)

BCl3 is an oxidizing agent, Zn is a reducing agent.

Reactants:

  • BCl3 – Boron trichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Boron(III) chloride source: wikipedia, accessed: 2019-09-27, Boron chloride source: ICSC, accessed: 2019-09-04, Trichloroborane source: ICSC, accessed: 2019-09-04
    • Appearance: Colorless gas | fumes in air source: wikipedia, accessed: 2019-09-27; Gas or colourless fuming liquid with pungent odour source: ICSC, accessed: 2019-09-04
  • Zn
    • Names: Zinc source: wikidata, accessed: 2019-09-07, Zinc powder (pyrophoric) source: ICSC, accessed: 2019-09-04, Zn source: wikidata, accessed: 2019-09-07
    • Appearance: Grey-to-blue powder source: ICSC, accessed: 2019-09-04

Products:

  • B
    • Names: Boron source: wikidata, accessed: 2019-09-07, B source: wikidata, accessed: 2019-09-07, Element 5 source: wikidata, accessed: 2019-09-07, Boracium source: wikidata, accessed: 2019-09-07
  • ZnCl2 – Zinc chloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Zinc(II) chloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Zinc dichloride source: wikipedia, accessed: 2019-09-28source: ICSC, accessed: 2019-09-04, Butter of zinc source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Appearance: White crystalline solid | hygroscopic and very deliquescent source: wikipedia, accessed: 2019-09-28; White hygroscopic odourless solid in various forms source: ICSC, accessed: 2019-09-04; White particulate dispersed in air. source: NIOSH NPG, accessed: 2019-09-02