The E _ M ^ 3+ / M ^ 2+ values for Cr, Mn, Fe and Co are – 0.41, + 1.57, + 0.77 and +…
Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry
The \(\mathrm{E}_{\mathrm{M}^{3+} / \mathrm{M}^{2+}}\) 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?
- Co
- Mn
- Fe
- Cr
Answer
(D) Cr
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