6 OH- + (Cr)3+ + BrO → 3 H2O + CrO42- + (Br)-

This is an oxidation-reduction (redox) reaction:

BrII + 3 e- → Br-I (reduction)

CrIII - 3 e- → CrVI (oxidation)

BrO is an oxidizing agent, Cr3+ is a reducing agent.

Reactants:

  • OH- – Hydroxide source: wikipedia, accessed: 2019-09-27
    • Other names: Hydroxide ion source: wikidata, accessed: 2019-09-07
  • Cr3+
  • BrO
    • Names: Oxidobromine(.) source: wikidata, accessed: 2019-09-03

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
  • CrO42-
    • Br-