Redox Reactions and Electrochemistry: JEE Main 2004 Chemistry question

JEE Main 2004 · Annual, Paper 1 · Q968

JEE Main 2004Annual, Paper 1ChemistryEasyRedox Reactions and Electrochemistry138× since 2002

The

E_{{M^{3 + }}/{M^{2 + }}}^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?

Redox Reactions and Electrochemistry: JEE Main 2004 Chemistry question

JEE Main 2004 · Annual, Paper 1 · Q968

JEE Main 2004Annual, Paper 1ChemistryEasyRedox Reactions and Electrochemistry138× since 2002

The

E_{{M^{3 + }}/{M^{2 + }}}^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?

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