The \( \mathrm{E}_{\mathrm{M}^{3+} / \mathrm{M}^{2+}}^{\circ} \) values for \( \mathrm{Cr}, \mat... VIDEO
The \( \mathrm{E}_{\mathrm{M}^{3+} / \mathrm{M}^{2+}}^{\circ} \) values for \( \mathrm{Cr}, \mathrm{Mn}, \mathrm{Fe} \) and Co are \( -0.41,+1.57,+0.77 \) and \( +1.97 \mathrm{~V} \) math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymiCo/mi/mathrespectively. For which one of these metals the change in oxidation state from \( +2 \) to \( +3 \) is easiest?
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