Electrolysing brine in a diaphragm cell is an important industrial process. What occurs at the anode?
- AChloride ions are oxidised.
- BHydrogen gas is produced.
- CHydroxide ions are formed.
- DThe electrode reaction is $2\text{Cl}^-(\text{aq}) + 2e^- \rightarrow \text{Cl}_2(\text{g})$.