9 FeCl2 + K2CrO7 + 14 HCl → 9 FeCl3 + CrCl3 + 2 KCl + 7 H2O
This is an oxidation-reduction (redox) reaction:
9 FeII - 9 e- → 9 FeIII (oxidation)
CrXII + 9 e- → CrIII (reduction)
FeCl2 is a reducing agent, K2CrO7 is an oxidizing agent.
Reactants:
- FeCl2 – Iron(II) chloride , Iron dichloride
- K2CrO7
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
Products:
Warning: Unknown compound 'K2CrO7'