The reference electrode is Ag|AgCl(s)|KCl (a=1). The reduction potential of an electrode consisting of Cu|CuCl2 (0.10 m) at 298 K was measured against silver-silver chloride reference electrode. Why is letter B the more correct answer for the net cell reaction? What makes B Different from A? Is B always the case in formulating the net cell reaction? Explain it in simple terms that is very easy to understand.

A.) Cu (s) + 2AgCl (s) CuCl2 (aq) + 2Ag (s)

B.) CuCl2 (aq) + 2Ag (s) Cu (s) + 2AgCl (s)