Given that the standard electrode potentials \( \left(\mathrm{E}^{\circ}\right) \) of metals are...
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0Given that the standard electrode potentials \( \left(\mathrm{E}^{\circ}\right) \) of metals are :
\[
\begin{array}{l}
\mathrm{K}^{+} / \mathrm{K}=-2.93 \mathrm{~V}, \mathrm{Ag}^{+} / \mathrm{Ag}=0.80 \mathrm{~V}, \mathrm{Cu}^{2+} / \mathrm{Cu}=0.34 \mathrm{~V} \\
\mathrm{Mg}^{2+} / \mathrm{Mg}=-2.37 \mathrm{~V}, \mathrm{Cr}^{3+} / \mathrm{Cr}=-0.74 \mathrm{~V}, \mathrm{Fe}^{2+} / \mathrm{Fe}=-0.44 \mathrm{~V}
\end{array}
\]
\( \mathrm{P} \)
Arrange these metals in an increasing order of their reducing power.
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