(d) When NaCl(aq) is electrolysed, two gases form at the positive electrode and one gas forms at the negative
electrode.
The formulae of the species in NaCl(aq) are Na*, Cl-, H+, OH- and H2O.
(i) Name the gases formed at each electrode.
positive electrode
negative electrode
(ii) Give ionic half-equations to show the formation of each gas.
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