3 H2 (g) + Bi2O3 (s) → 3 H2O (l) + 2 Bi (s)

This is an oxidation-reduction (redox) reaction:

2 BiIII + 6 e- → 2 Bi0 (reduction)

6 H0 - 6 e- → 6 HI (oxidation)

Bi2O3 is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • H2
    • Names: Dihydrogen source: wikidata, accessed: 2019-09-07, Hydrogen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, H2 source: wikidata, accessed: 2019-09-07
    • Appearance: Odourless colourless compressed gas source: ICSC, accessed: 2019-09-04
  • Bi2O3 – Bismuth trioxide source: wikipedia, accessed: 2019-09-27, Bismuth(III) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Bismite (mineral) source: wikipedia, accessed: 2019-09-27
    • Other names: Bismite source: wikipedia, accessed: 2019-09-27, Bismuth sesquioxide source: wikipedia, accessed: 2019-09-27
    • Appearance: Yellow crystals or powder source: wikipedia, accessed: 2019-09-27

Products:

  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27
  • Bi
    • Names: Bismuth source: wikidata, accessed: 2019-09-07, Bi source: wikidata, accessed: 2019-09-07, Element 83 source: wikidata, accessed: 2019-09-07, 83Bi source: wikidata, accessed: 2019-09-07