Consider the Following Cell Reaction

question 106

Multiple Choice

Consider the following cell reaction:
2Cr(s) + 6H⁺(aq) → 2Cr³⁺(aq) + 3H₂(g) ; E°_cell = 0.74V
Under standard-state conditions,what is E° for the following half-reaction?
Cr³⁺(aq) + 3e− → Cr(s)

• A)-0.74 V
• C)-0.37 V
• D)0.37 V
• E)0.74 V

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