VO3- + 2 (Fe)2+ + 2 H+ → VO2- + 2 (Fe)3+ + H2O

This is an oxidation-reduction (redox) reaction:

VV + 2 e- → VIII (reduction)

2 FeII - 2 e- → 2 FeIII (oxidation)

VO3- is an oxidizing agent, Fe2+ is a reducing agent.

Reactants:

  • VO3-
  • Fe2+
  • H+

Products:

  • VO2-
  • Fe3+
  • 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