Use the Couples Cr2+ | Cr3+, -0

question 6

Multiple Choice

Use the couples Cr2+ | Cr3+, -0.424 V and Cr3+ | Cr2O72-, -1.33 V to determine E° of Cr2O72- | Cr2+.

• A) -0.02 V
• B) 1.75 V
• C) -1.75 V
• D) 0.81 V
• E) -1.10 V

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