What Element Is Being Oxidized in the Following Redox Reaction

question 9

Multiple Choice

What element is being oxidized in the following redox reaction? C₃H₈O₂(aq) + K₂Cr₂O₇(aq) → C₃H₄O₄(aq) + Cr⁺³(aq)

• A) C
• B) H
• C) O
• D) K
• E) Cr

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