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| Half equation | E (V) |
Fe3+ +
e-  Fe2+ |
+ 0.77 |
| ½Br2 +
e- Br- |
+ 1.09 |
| MnO4- +
8H+ + 5e-
Mn2+ +
4H2O |
+ 1.51 |
| ½Cl2 +
e- Cl- |
+ 1.36 |
| Ag+ +
e- Ag |
+ 0.80 |
| SO42- +
4H+ + 2e-
SO2 +
2H2O |
+ 0.17 |
| Zn2+ +
2e- Zn |
- 0.76 |
| ½I2 +
e- I- |
+ 0.54 |