During the electrolysis of a dilute sodium sulfate solution, hydroxide ions (OH−\text{OH}^-OH−) are discharged at the anode to produce oxygen gas (O2\text{O}_2O2) and water (H2O\text{H}_2\text{O}H2O).
Write the balanced ionic half-equation for this process.
Practise Edexcel GCSE Chemistry Electrolytic processes with exam-style questions for Foundation and Higher tier. 100 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.