Bi(OH)3 + 3 Na(Sn(OH)3) + 3 NaOH → 3 Na2(Sn(OH)5) + Bi

This is an oxidation-reduction (redox) reaction:

BiIII + 3 e- → Bi0 (reduction)

3 SnII - 3 e- → 3 SnIII (oxidation)

Bi(OH)3 is an oxidizing agent, Na(Sn(OH)3) is a reducing agent.

Reactants:

  • Bi(OH)3
    • Na(Sn(OH)3)
    • NaOH
      • Names: Sodium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Caustic soda source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lye source: wikidata, accessed: 2019-09-02
      • Appearance: White, waxy, opaque crystals source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04; Colorless to white, odorless solid (flakes, beads, granular form). source: NIOSH NPG, accessed: 2019-09-02

    Products:

    • Na2(Sn(OH)5)
    • 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