Which Element Is Reduced in the Following Reaction

question 110

Multiple Choice

Which element is reduced in the following reaction?
Cr₂O₇^2- + 6S₂O₃^2- + 14H⁺ → 2Cr³⁺ + 3S₄O₆^2- + 7H₂O

• A)H
• B)Cr
• C)O
• D)S
• E)S₄O₆^2-

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