Hydrogen sulfide, H2S, burns in the presence of oxygen, O2, to produce water, H2O, and sulfur dioxide, SO2. Through this reaction, is sulfur oxidized or reduced? 2 H2S + 3 O2 ? 2 H2O + 2 SO2

A) Sulfur is reduced.
B) Sulfur is oxidized.
C) Sulfur is both oxidized and reduced.
D) Sulfur is neither oxidized nor reduced.


B

Environmental & Atmospheric Sciences

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