Hydrogen Sulfide,H₂S,burns in the Presence of Oxygen $\mathrm { O } _ { 2 }$

question 85

Multiple Choice

Hydrogen sulfide,H₂S,burns in the presence of oxygen, $\mathrm { O } _ { 2 }$ ,to produce water, $\mathrm { H } _ { 2 }$ O,and sulfur dioxide,SO₂.Through this reaction,is sulfur oxidized or reduced? 2 $\mathrm { H } _ { 2 }$ S + 3 $\mathrm { O } _ { 2 }$ ? 2 $\mathrm { H } _ { 2 }$ O + 2 $\mathrm { SO } _ { 2 }$

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

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