(a(i))[2]
Complete the ionic half-equation that represents this reaction. ________Cl$^-$(aq) $\rightarrow$ ________(g) + ________e$^-$
(a(ii))[1]
State whether oxidation or reduction occurs, and explain your answer.
(b)[1]
Describe what is observed at the cathode.
(c)[2]
Write the ionic half-equation for the cathode reaction.
(d(i))[1]
Suggest the pH of the electrolyte at the start of the experiment.
(d(ii))[2]
State how the pH changes, if at all, during the experiment. Explain your answer.
(e)[2]
Describe what is seen at the cathode and at the anode.
(f)[2]
State two properties of graphite (carbon) that make it suitable for electrode use.