Reduction ${E_0}{M^{3 + }}/{M^{2 + }}$ |
Cell |
reaction |
${E_0}{M^{2 + }}/{M^{3 + }}$(Oxidation) |
$-0.41 \,V$ |
$C{r^{2 + }}$ |
$C{r^{3 + }}$ |
$+ 0. 41 \,V$ |
$+ 1.57 \,V$ |
$M{n^{2 + }}$ |
$M{n^{3 + }}$ |
$-1.57 \,V$ |
$+ 0.77 \,V$ |
$F{e^{2 + }}$ |
$F{e^{3 + }}$ |
$-0.77 \,V$ |
$+ 1.97 \,V$ |
$C{o^{2 + }}$ |
$C{o^{3 + }}$ |
$-1.97 \,V$ |
$Pt|{H_2}_{\left( {1{\mkern 1mu} atm} \right)}|0.1{\mkern 1mu} M{\mkern 1mu} HCl||{\mkern 1mu} {\mkern 1mu} 0.1{\mkern 1mu} M\,C{H_3}COOH|{H_2}_{\left( {1{\mkern 1mu} atm} \right)}|Pt$