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Which Element Is Oxidized in the Following Reaction

Question 62

Multiple Choice

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

A) S₄O₆^2-
B) Cr
C) H
D) O
E) S

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