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The electrode potential data are given below\n\[\n\begin{array}{ll}\n\mathrm{Fe}^{3+}+e^{-} \longrightarrow \mathrm{Fe}^{2+}, & E^0=+0.77 \mathrm{~V} \\\n\mathrm{Al}^{3+}+3 e^{-} \longrightarrow \mathrm{Al}, & E^0=-1.66 \mathrm{~V} \\\n\mathrm{Br}_2+2 e^{-} \longrightarrow 2 \mathrm{Br}, & E^0=+1.80 \mathrm{~V}\n\end{array}\n\]\n\nBased on the data, the reducing power of \(\mathrm{Fe}^{2+}, \mathbf{A l}, \mathrm{Br}^{-}\)will increase in the order.
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