2 (Fe)2+ + Pb3O4 + 8 H3O+ → 2 (Fe)3+ + 3 (Pb)2+ + 12 H2O

This is an oxidation-reduction (redox) reaction:

3 Pb8/3 + 2 e- → 3 PbII (reduction)

2 FeII - 2 e- → 2 FeIII (oxidation)

Pb3O4 is an oxidizing agent, Fe2+ is a reducing agent.

Reactants:

  • Fe2+
  • Pb3O4 – Lead tetroxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04
    • Other names: Lead(II,IV) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Minium source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Red lead source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04
    • Appearance: Vivid orange crystals source: wikipedia, accessed: 2019-09-27; Red crystals or powder source: ICSC, accessed: 2019-09-04
  • H3O+
    • Names: Hydronium source: wikidata, accessed: 2019-09-07, Hydroxonium source: wikidata, accessed: 2019-09-07, H3O(+) source: wikidata, accessed: 2019-09-07

Products:

  • Fe3+
  • Pb2+
  • 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