Is S8 (s) + 4Pb (s) —> 4PbS2 (s) a redox reaction? If so, what is the reducing agent and what is the oxidizing agent?

Nadia
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Nadia

Yes, the given reaction is a redox reaction. In this reaction, S8 is being reduced to PbS2, while Pb is being oxidized to PbS2.

The reducing agent is S8, as it is undergoing reduction (gaining sulfur atoms). The oxidizing agent is Pb, as it is undergoing oxidation (losing electrons).