Loss Electrons → Oxidation
Gain Electrons → Reduction
• ↓ E° → higher tendency to be oxidized
• ↑ E° → higher tendency to be reduced
Fe3+ + 3 e-⇌ Fe E° = –0.037 V
Ag+ + e- ⇌ Ag E° = 0.7996 V
Cu2+ + 2 e- ⇌ Cu E° = 0.3419 V
Which metal can be used as a sacrificial electrode to prevent the rusting of an iron pipe?
Frequently Asked Questions
What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Cell Potential concept. If you need more Cell Potential practice, you can also practice Cell Potential practice problems.