Standard Reduction Potentials At 25c 298k Page 2

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Half-Reaction
E°(V)
-
+
-
HSO
(aq) + 3H
(aq) + 2e
→ H
SO
(aq) + H
O(l)
+0.17
4
2
3
2
2+
-
+
Cu
(aq) + e
→ Cu
(aq)
+0.16
4+
-
2+
Sn
(aq) + 2e
→ Sn
(aq)
+0.15
-
-
AgBr(s) + e
→ Ag(s) + Br
(aq)
+0.07
+
-
2H
(aq) + 2e
→ H
(g)
+0.00
2
3+
-
Fe
(aq) + 3e
→ Fe(s)
-0.04
-
-
-
O
(g) + H
O(l) + 2e
→ HO
(aq) + OH
(aq)
-0.08
2
2
2
2-
-
-
CrO
(aq) + 4H
O(l) + 3e
→ Cr(OH)
(s) + 5OH
(aq)
-0.13
4
2
3
2+
-
Pb
(aq) + 2e
→ Pb(s)
-0.13
2+
-
Sn
(aq) + 2e
→ Sn(s)
-0.14
2+
-
Ni
(aq) + 2e
→ Ni(s)
-0.23
2+
-
Co
(aq) + 2e
→ Co(s)
-0.28
+
-
Tl
(aq) + e
→ Tl(s)
-0.34
+
-
-
PbSO
(s) + H
(aq) + 2e
→ Pb(s) + HSO
(aq)
-0.36
4
4
3+
-
2+
Ti
(aq) + e
→ Ti
(aq)
-0.37
3+
-
2+
Cr
(aq) + e
→ Cr
(aq)
-0.41
2+
-
Fe
(aq) + 2e
→ Fe(s)
-0.44
-
2-
S(s) + 2e
→ S
(aq)
-0.48
+
-
2CO
(g) + 2H
(aq) + 2e
→ H
C
O
(aq)
-0.49
2
2
2
4
3+
-
Cr
(aq) + 3e
→ Cr(s)
-0.74
2+
-
Zn
(aq) + 2e
→ Zn(s)
-0.76
-
-
Cd(OH)
(s) + 2e
→ Cd(s) + 2OH
(aq)
-0.81
2
-
-
2H
O(l) + 2e
→ H
(g) + 2OH
(aq)
-0.83
2
2
2+
-
Cr
(aq) + 2e
→ Cr(s)
-0.91
2+
-
Mn
(aq) + 2e
→ Mn(s)
-1.18
2+
-
V
(aq) + 2e
→ V(s)
-1.19
2+
-
Ti
(aq) + 2e
→ Ti(s)
-1.63
3+
-
Al
(aq) + 3e
→ Al(s)
-1.66
2+
-
Mg
(aq) + 2e
→ Mg(s)
-2.36
3+
-
Ce
(aq) + 3e
→ Ce(s)
-2.48
+
-
Na
+ e
→ Na(s)
-2.71
2+
-
Ca
(aq) + 2e
→ Ca(s)
-2.87
2+
-
Sr
(aq) + 2e
→ Sr(s)
-2.89
2+
-
Ba
(aq) + 2e
→ Ba(s)
-2.91
+
-
Cs
(aq) + e
→ Cs(s)
-2.92
+
-
Rb
(aq) + e
→ Rb(s)
-2.93
+
-
K
(aq) + e
→ K(s)
-2.93
+
-
Li
(aq) + e
→ Li(s)
-3.05

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