AP Chemistryeasymcq1 pt
In 4Fe + 3O₂ → 2Fe₂O₃, which element is reduced?
A.O
B.Fe
C.Both
D.Neither
Explanation
Core Concept
Oxygen drops from 0 in O₂ to −2 in Fe₂O₃ — gaining electrons is reduction. Iron is oxidized (0 → +3) in the same reaction.
Correct Answer
AO
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