Which One of the Following Reactions Must Be Carried Out $\rarr$

Which one of the following reactions must be carried out in an electrolytic cell rather than in a galvanic cell

A) 3Ni²⁺(aq) + 2Cr(s) $\rarr$ 3Ni(s) + 2Cr³⁺(aq)
B) 2Ag⁺(aq) + Pb(s) $\rarr$ 2Ag(s) + Pb²⁺(aq)
C) Br₂(l) + 2Cu⁺(aq) $\rarr$ 2Br^-(aq) + Cu²⁺(aq)
D) Cr³⁺(aq) + 3Ag(s) $\rarr$ Cr + 3Ag⁺(aq)
E) 2Fe³⁺(aq) + Sn(s) $\rarr$ 2Fe²⁺(aq) + Sn²⁺(aq)