6 (Fe)2+ + Cr2O72- + 14 H+ 6 (Fe)3+ + 2 (Cr)3+ + 7 H2O

This is an oxidation-reduction (redox) reaction:

6 FeII - 6 e- 6 FeIII (oxidation)

2 CrVI + 6 e- 2 CrIII (reduction)

Fe2+ is a reducing agent, Cr2O72- is an oxidizing agent.

Reactants:

  • Fe2+
  • Cr2O72-
  • H+

Products:

  • Fe3+
  • Cr3+
  • H2OWater, 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