Read the table below. Reduction Half-Reaction
Cr3+ + e
2Br
→ Cr2+
Standard Reduction Potential
E = -0.41V
E° = +1.07V
Brą +2e
Sn2+ + 2e
- Sn
→ 2C1
E° = 0.14V
E° = +1.36V
Cl2 + 2e
Which of the following substances is the most powerful oxidizing agent?
O Br2
O Cl2
O Cr3+
O Sn2+