2 Al (s) + 3 Cl2 (g) → 2 AlCl3 (aq)

This is an oxidation-reduction (redox) reaction:

6 Cl0 + 6 e- → 6 Cl-I (reduction)

2 Al0 - 6 e- → 2 AlIII (oxidation)

Cl2 is an oxidizing agent, Al is a reducing agent.

Reactants:

  • Al
    • Names: Aluminum source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02, Aluminium powder source: ICSC, accessed: 2019-09-04, Al source: wikidata, accessed: 2019-09-07
    • Appearance: Silvery-white-to-grey powder source: ICSC, accessed: 2019-09-04; Silvery-white, malleable, ductile, odorless metal. source: NIOSH NPG, accessed: 2019-09-02
  • 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

Products:

  • AlCl3 – Aluminium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Aluminium(III) chloride source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Aluminum trichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Aluminum chloride source: wikidata, accessed: 2019-09-02
    • Appearance: White or pale yellow solid | hygroscopic source: wikipedia, accessed: 2019-09-27; Colourless-to-white powder. turns grey-to-yellow on exposure to moisture source: ICSC, accessed: 2019-09-04