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

Name: Which element is reduced in the following reaction? Cr 2 O 7 2- + 6S 2 O 3 2- + 14H + → 2Cr 3+ + 3S 4 O 6 2- + 7H 2 O A)H B)Cr C)O D)S E)S 4 O 6 2-
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Question

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-

Quizplus · Accepted Answer

In the given reaction, chromium (Cr) goes from an oxidation state of +6 in Cr2O7^2- to an oxidation state of +3 in Cr^3+. This decrease in oxidation state indicates that chromium is reduced.

Which Element Is Reduced in the Following Reaction