Write the Formula of the Strongest Reducing Agent Given the Following

question 130

Multiple Choice

Write the formula of the strongest reducing agent given the following standard reduction potentials in acid solution: $\begin{array}{ll}\mathrm{O}_{2}+4 \mathrm{H}^{+}+4 \mathrm{e}^{-} \rightarrow 2 \mathrm{H}_{2} \mathrm{O} & \mathrm{E}^{\circ}=+1.23 \mathrm{~V} \\\mathrm{Sn}^{4+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Sn}^{2+} & \mathrm{E}^{\circ}=+0.13 \mathrm{~V} \\\mathrm{Zn}^{2+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Zn}(\mathrm{~s}) & \mathrm{E}^{\circ}=-0.76 \mathrm{~V}\end{array}$

• A) 4H⁺
• B) 2H₂O
• C) Sn⁴⁺
• D) Zn
• E) None of the above

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