ChemistryEasy86×since 2002Q968The EM3+/M2+oE_{{M^{3 + }}/{M^{2 + }}}^oEM3+/M2+o 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 form +2 to +3 is easiest?AFeBMnCCrDCoCheck answerSkip