Al (s) + AuCl3 (aq) Au (s) + AlCl3 (aq)

This is an oxidation-reduction (redox) reaction:

AuIII + 3 e- Au0 (reduction)

Al0 - 3 e- AlIII (oxidation)

AuCl3 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
  • AuCl3Gold(III) trichloride source: wikipedia, accessed: 2019-09-27
    • Other names: Gold(III) chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Auric chloride source: wikipedia, accessed: 2019-09-27, Gold trichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: Red crystals (anhydrous); golden, yellow crystals (monohydrate) source: wikipedia, accessed: 2019-09-27

Products:

  • Au
    • Names: Gold source: wikidata, accessed: 2019-09-07, Au source: wikidata, accessed: 2019-09-07, Element 79 source: wikidata, accessed: 2019-09-07, Aurum source: wikidata, accessed: 2019-09-07
  • AlCl3Aluminium 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