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2feso4 → Fe2O3 + SO2 + SO3, determine the oxidation state in detail
Accepted Answer
The oxidation states of the iron (Fe) atoms change as follows:
- In 2FeSO4, the iron atoms are in the +2 oxidation state.
- In Fe2O3, the iron atoms are in the +3 oxidation state.
The oxidation state of sulfur (S) changes as follows:
- In 2FeSO4, the sulfur atoms are in the +6 oxidation state.
- In SO2, the sulfur atoms are in the +4 oxidation state.
- In SO3, the sulfur atoms are in the +6 oxidation state.
Overall, iron is oxidized (loses electrons) from +2 to +3, while sulfur is reduced (gains electrons) from +4 to +6 (in SO2) and then re-oxidized to +6 (in SO3).
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