Water acidified with dilute sulfuric acid is electrolysed using inert electrodes. Hydrogen gas is produced at the negative electrode (cathode) and oxygen gas is produced at the positive electrode (anode).
Which diagram correctly shows the state of the apparatus after 15 minutes of electrolysis?
Diagram A
Diagram B
Diagram C
Diagram D
Electrolytic processes Questions
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.