(a) Define oxidation in terms of electron transfer.

(b) Consider the following: Cu\(_{(s)}\) + 2Ag\(^{+}_{(Ag)}\) \(\to\) Cu\(^{2+}_{(aq)}\) + 2Ag\(_{(s)}\)

(i) State the species that is reduced

(ii) Write half-cell equation for each of the species.