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a. \( \mathrm{Fe}^{3+}+e^{-} \rightarrow \mathrm{Fe}^{2+} \mathrm{aq} \)
\( E^{a}=+0.77 \mathrm{~V} \)
b. \( \mathrm{Al}^{3+}+3 e^{-} \rightarrow \mathrm{Al}(\mathrm{s}) \)
\( E^{\circ}=-1.66 \mathrm{~V} \)
c. \( \mathrm{Br}_{2}+2 e^{-} \rightarrow 2 \mathrm{Br}^{-} \mathrm{aq} \)
\( E^{\circ}=+1.08 \mathrm{~V} \)
Based on the data given above, the correct order of reducing power is
(A) \( \mathrm{Br}_{2}\mathrm{Fe}^{3+}\mathrm{Al} \)
(B) \( \mathrm{Br}^{-}\mathrm{Fe}^{2+}\mathrm{Al} \)
(C) \( \mathrm{Fe}^{2+}\mathrm{Al}\mathrm{Br}^{-} \)
(D) \( \mathrm{Al}\mathrm{Br}^{-}\mathrm{Fe}^{2+} \)
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