Species |
Half-Reaction |
Reduction Potential (V) |
Au |
Au3+ + 3e− ⇌
Au(s)
|
1.52 |
Pt |
Pt2+ + 2e− ⇌
Pt(s)
|
1.20 |
Pd |
Pd2+ + 2e− ⇌
Pd(s)
|
0.92 |
Ag |
Ag+ + e− ⇌
Ag(s)
|
0.80 |
Cu |
Cu+ + e− ⇌
Cu(s)
|
0.52 |
Ni |
Ni2+ + 2e− ⇌
Ni(s)
|
- 0.24 |
Fe |
Fe2+ + 2e− ⇌
Fe(s)
|
- 0.44 |
Co |
Co2+ + 2e− ⇌
Co(s)
|
- 0.28 |
Fe |
Fe3+ + 3e− ⇌
Fe(s)
|
- 0.04 |