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REDOX REACTIONS AND ELECTROCHEMISTRY
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Question
Which of the following has E⁰ = 1.78 V?
A. H2O2 + 2H+ + 2e– → 2H2O
B. O2(g) + 4H+ + 4e– → 2H2O 1.23
C. MnO4– + 8H+ + 5e– → Mn2+ + 4H2O 1.51
D. Au3+ + 3e– → Au(s) 1.40
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