AP Chemistryhardmcq1 pt
Which species in the reaction 2H₂S + SO₂ → 3S + 2H₂O is oxidized?
A.Sulfur in H₂S
B.Sulfur in SO₂
C.Hydrogen
D.Oxygen
Explanation
Core Concept
In H₂S sulfur is −2; in elemental S it is 0. Losing electrons (oxidation number rising) means the H₂S sulfur is oxidized.
Correct Answer
ASulfur in H₂S
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