2 BCl3 → B2Cl4 + Cl2

This is an oxidation-reduction (redox) reaction:

2 BIII + 2 e- → 2 BII (reduction)

2 Cl-I - 2 e- → 2 Cl0 (oxidation)

BCl3 is an oxidizing agent, BCl3 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

Products:

  • B2Cl4
    • Names: Diboron tetrachloride source: wikidata, accessed: 2019-09-03
  • 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