CH-1778
Oxidation states
Chemistry · Secondary 4 · Hard · Oxidation states
In which reaction does the oxidation state of iron remain unchanged?
A
Fe+2HCl→FeCl2+H2B
Fe2O3+3CO→2Fe+3CO2C
FeCl2+Cl2→FeCl3D
Fe2O3+6HCl→2FeCl3+3H2O- A
- B
- C
- D
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