Consider the Galvanic Cell Shown Below (The Contents of Each $\to$

question 62

Multiple Choice

Consider the galvanic cell shown below (the contents of each half-cell are written beneath each compartment) : 0.50 M Br₂ 0.20 M Cr³⁺
0.10 M Br^-
The standard reduction potentials are as follows:
Cr³⁺(aq) + 3e^- $\to$ Cr(s)
$\varepsilon$ ° = -0.733 V
Br₂(aq) + 2e^- $\to$ 2Br^-(aq)
$\varepsilon$ ° = +1.090 V
What is the value of $\varepsilon$ for this cell at 25°C?

• A)1.759 V
• B)1.823 V
• C)1.837 V
• D)1.887 V
• E)2.207 V

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