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

question 138

Multiple Choice

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)

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