Some oxidants being reduced
| Couple | Half-reaction | E / V
| Sn2+/Sn |
|
Sn2+ + 2e¯ −0.14 |
Fe3+/Fe2+ |
Fe3+ + e¯ |
 Fe2+ 0.77 |
Ag+/Ag |
Ag+ + e¯ |
Ag0.80 |
Cl2/Cl¯ |
Cl2 + 2e¯ |
2Cl¯1.40 |
|
|---|
2. Deduce which of the following species is the strongest reductant:
Cl¯, Sn, Ag, Fe2+
Sn is the strongest reductant because it is highest in the table,
or has the most negative electrode potential.
