Question: The correct order of E 0 M2+/M values with negative sign for the four successive elements Cr, Mn, Fe and Co is (a) Mn >

The correct order of E0M2+/M values with negative sign for the four successive elements Cr, Mn, Fe and Co is

(a) Mn > Cr > Fe > Co

(b) Cr > Fe > Mn> Co

(c) Fe > Mn > Cr > Co

(d) Cr > Mn > Fe > Co

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