Recall: In a redox reaction, the oxidizing agent is reduced (gains electrons) while the reducing agent is oxidized (loses electrons).
For Al: The oxidation state of Al went from 0 to +3, which means it lost electrons and is oxidized.
Identify the oxidizing agent and the reducing agent for the following reaction:
2Al(s) + 3Sn2+(aq) → 2Al3+(aq) + 3Sn(s)
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