An aqueous solution of sodium chloride contains several different ions.
Which ions are attracted to the negative electrode (cathode) during the electrolysis of this solution?
Cl−\text{Cl}^-Cl− ions only
H+\text{H}^+H+ and Na+\text{Na}^+Na+ ions
OH−\text{OH}^-OH− ions only
Cl−\text{Cl}^-Cl− and OH−\text{OH}^-OH− ions
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.