CH-1774
Oxidation states
Chemistry · Secondary 4 · Hard · Oxidation states
In which reaction does the oxidation state of iron remain unchanged?
A Fe + 2FeCl → 3FeCl
B FeO + 2HCl → FeCl + HO
C 2Fe + 3Cl → 2FeCl
D 2FeCl + Cl → 2FeCl
A Fe + 2FeCl → 3FeCl
B FeO + 2HCl → FeCl + HO
C 2Fe + 3Cl → 2FeCl
D 2FeCl + Cl → 2FeCl
- A
- B
- C
- D
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