Use the Standard Reduction Potentials Below to Determine Which of the Following

question 16

Multiple Choice

Use the standard reduction potentials below to determine which of the following metals can be oxidized by 1.0 M
HCl: Al,Zn,Sn,Cu.
$\begin{array}{l}\mathrm{Al}^{3+}(a q) +3 e-\rightarrow \mathrm{Al}(s) & \bar{E}_{1 e d}^{0}=-1.68 \mathrm{~V}\\\mathrm{Zn}^{2+}(a g) +2 e^{-} \rightarrow \mathrm{Zn}(s) & E_{\circ \mathrm{z}}=-0.762 \mathrm{~V}\\\mathrm{Sn}^{2+}(a q) +2 e-\underline{\mathrm{Sn}}(s) & E_{o \mathrm{z}}^{0}=-0.141 \mathrm{~V}\\\mathrm{Cu}^{2+}(a q) +2 e^{-} \rightarrow \mathrm{Cu}(s) &E_{\mathrm{red}=+0.339 \mathrm{~V}}^{\rho}\end{array}$

• A) Al only
• B) Cu only
• C) Al and Cu
• D) Zn and Sn
• E) Al,Zn,and Sn

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