1.

Given\[F{{e}^{3+}}(aq)+{{e}^{-}}\to F{{e}^{2+}}(aq);E{}^\circ =+0.77V\]\[A{{l}^{3+}}(aq)+3{{e}^{-}}\to Al(s);E{}^\circ =-1.66V\]\[B{{r}_{2}}(aq)+2{{e}^{-}}\to 2B{{r}^{-}};E{}^\circ =+1.09V\]Considering the electrode potentials, which of the following represents the correct order of reducing power?

A. \[F{{e}^{2+}}<Al<B{{r}^{-}}\]  
B. \[B{{r}^{-}}<F{{e}^{2+}}<Al\]
C. \[Al<B{{r}^{-}}<F{{e}^{2+}}\]       
D. \[Al<F{{e}^{2+}}<B{{r}^{-}}\]
Answer» E.


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