MHT CET Chemistry question
The values for Cr, Mn, Fe and Co are −0.41, +1.57, +0.77 and +1.97 V respectively. For which one of these metals the change in oxidation state from +2 to +3 is easiest?
Answer: (C)
Solution
Oxidation of + to + is easiest for the lowest E°+/+), which is −0.41 V for Cr;
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