Question

Given that the standard potentials (E${}^{\circ }$) of $C{u}^{2+}/Cu$ and $C{u}^{+}/Cu$ are 0.34 V and 0.522 V respectively, the E${}^{\circ }$ of $C{u}^{2+}/C{u}^{+}$ is :

• A. -0.182 V
• B. + 0.158 V
• C. -0.158 V
• D. 0.182 V

Answer 1

Answer: (B)

Correct answer is (b) + 0.158 V