4 BaO + 2 Al → BaAl2O4 + 3 Ba

This is an oxidation-reduction (redox) reaction:

2 Al0 - 6 e- → 2 AlIII (oxidation)

3 BaII + 6 e- → 3 Ba0 (reduction)

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

Reactants:

  • BaO
    • Names: Barium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Barium monoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Barium protoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; Yellowish-white solid in various forms source: ICSC, accessed: 2019-09-04
  • 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

Products:

  • BaAl2O4
  • Ba
    • Names: Barium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Ba source: wikidata, accessed: 2019-09-07, Element 56 source: wikidata, accessed: 2019-09-07
    • Appearance: Yellowish-to-white lustrous solid in various forms source: ICSC, accessed: 2019-09-04