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

question 18

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) $\varepsilon$ ^$\circ$ =-0.727 V
Br₂(aq) + 2e^- $\to$ 2Br^-(aq) $\varepsilon$ ^$\circ$ = +1.090 V
What is $\varepsilon$ ^$\circ$ for this cell?

• A)1.817 V
• B)0.363 V
• C)-0.363 V
• D)4.724 V
• E)1.316 V

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