Using the Following Data, Determine the Standard Cell Potential E° $\rightarrow$

question 138

Multiple Choice

Using the following data, determine the standard cell potential E° for an electrochemical cell with zinc as the anode, lead as the cathode, and solutions of the respective ions.
Zn(s) + Pb²⁺(aq) $\rightarrow$ Zn²⁺(aq) + Pb(s) $$\begin{array} { l l } \text { Half-reaction } & \text { Standard Reduction Potential } \\\mathrm { Zn } ^ { 2 + } ( a q ) + 2 \mathrm { e } ^ { - } \rightarrow \mathrm { Zn } ( s ) & - 0.763 \\\mathrm {~Pb} ^ { 2 + } ( a q ) + 2 \mathrm { e } ^ { - } \rightarrow \mathrm { Pb } ( s ) & - 0.126\end{array}$$

• A) +1.274 V
• B) -0.637 V
• C) +0.889 V
• D) -0.889 V
• E) +0.637 V