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

Explain the significance of refractory periods in the propagation of nerve impulses and neural function.

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