Introduction to electrochemistry
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Examples
Lessons
- Identify whether reduction or oxidation is taking place in the half-equations.
State whether the half-equations below show reduction or oxidation, giving a reason for your answer.- Au → Au+ + e-
- Na → Na+ + e-
- Cl2 + 2e- → 2Cl-
- Write simple half-equations showing reduction and oxidation taking place.
Write a balanced half-equation for the following chemical processes.- Bromide ions being oxidised back to elemental bromine.
- Sodium metal being oxidised.
- Oxygen gas being reduced to oxide ions.