標準電極電位
34 V {\displaystyle +0.34V\,}
2 H + ( a q ) + 2 e − → H 2 ( g ) {\displaystyle {\rm {2H^{+}(aq)+2e^{-}\rightarrow H_{2}(g)}}} 0 V {\displaystyle 0V\,}
F e 2 + + ( a q ) + 2 e − → F e ( s ) {\displaystyle {\rm {Fe^{2+}+(aq)+2e^{-}\rightarrow Fe(s)}}} − 0.44 V {\displaystyle -0.44V\,}
Z n 2 + ( a q ) + 2 e − → Z n ( s ) {\displaystyle {\rm {Zn^{2+}(aq)+2e^{-}\rightarrow Zn(s)}}} − 0.76 V {\displaystyle -0.76V\,}
A l 3 + ( a q ) + 3 e − → A l ( s ) {\displaystyle {\rm {Al^{3+}(aq)+3e^{-}\rightarrow Al(s)}}} − 1.68 V {\displaystyle -1.68V\,}