Question
Reason for geometrical isomerism by $2-$butene is
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| $M^{x+}\, (aq)\,/M(s)$ |
$A{u^{3 + }}(aq)/$ $Au(s)$ |
$A{g^ + }(aq)/$ $Ag(s)$ |
$F{e^{3 + }}(aq)/$ $F{e^{2 + }}(aq)$ |
$F{e^{2 + }}(aq)/$ $Fe(s)$ |
| $E^o\,M^{x+}$ $\,/M(V)$ | $1.40$ | $0.80$ | $0.77$ | $-0.44$ |
If $E_{Z{n^{2 + }}/Zn}^o = - 0.76\,V,$ which cathode will given a maximum value of $E_{cell}^o$ per electron transferred?