Cr2O7 + 14 HCl → 2 Cr + 7 Cl2 + 7 H2O
This is an oxidation-reduction (redox) reaction:
14 Cl-I - 14 e- → 14 Cl0 (oxidation)
2 CrVII + 14 e- → 2 Cr0 (reduction)
HCl is a reducing agent, Cr2O7 is an oxidizing agent.
Reactants:
- Cr2O7
- 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 'Cr2O7'