(a)[1]
On Fig. 3.1, put the label cathode.
(b)[1]
Explain why concentrated aqueous sodium chloride can conduct electricity.
(c(i))[1]
Name the substance that forms at the cathode.
(c(ii))[1]
Chlorine is made at the anode. Construct the ionic half-equation for what happens at the anode.
(d)[1]
Graphite is suitable as an electrode because it conducts electricity. State one more property of graphite that makes it suitable for use as an electrode.
(e)[1]
State the substance formed at the cathode when molten sodium chloride is electrolysed.