Cr₂O₇^2- + 2 Fe + 14 H⁺ → 2 (Cr)³⁺ + 2 (Fe)³⁺ + 7 H₂O

This is an oxidation-reduction (redox) reaction:

Cr₂O₇^2- is an oxidizing agent, Fe is a reducing agent.

Reactants:

• Cr₂O₇^2-
• Fe
  • Names: Iron , Fe , Element 26 ... show moreFer , 26Fe , Eisen , Ferrum , Hierro , Carbonyl iron , Electrolytic iron , Ferrum metallicum , Iron powder , Iron, carbonyl , Iron, electrolytic , Iron, elemental , Iron, reduced , Reduced iron show less
• H⁺

Products:

• Cr³⁺
• Fe³⁺
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas