Consider the Following Standard Reduction Potentials in Acid Solution The Strongest Reducing Agent Among Those Shown Above Is
A)

question 87

Multiple Choice

Consider the following standard reduction potentials in acid solution: $\begin{array}{ll}&\underline{\mathrm{E}^\circ(V) }\\\mathrm{Al}^{3+}+3 \mathrm{e}^{-} \rightarrow \mathrm{Al}(\mathrm{~s}) & -1.66 \\\mathrm{AgBr}(\mathrm{~s}) +\mathrm{e}^{-} \rightarrow \mathrm{Ag}(\mathrm{~s}) +\mathrm{Br}^- & +0.07 \\\mathrm{Sn}^{4+}+2 \mathrm{e}^{-} \rightarrow \mathrm{Sn}^{2+} & +0.14 \\\mathrm{Fe}^{3+}+\mathrm{e}^{-} \rightarrow \mathrm{Fe}^{2+} & +0.77\end{array}$ The strongest reducing agent among those shown above is

• A) Fe³⁺.
• B) Fe²⁺.
• C) Br^-.
• D) Al³⁺.
• E) Al.

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