A Voltaic Cell Is Prepared in Which Copper Metal Is $\rightarrow$

question 21

Multiple Choice

A voltaic cell is prepared in which copper metal is oxidized to Cu(II) , and silver ion is reduced to silver metal.Which of the following represents the equation for the reaction that occurs at the anode?

• A)Cu(s) - 2e^-\(\rightarrow\)Cu²⁺(aq)
• B)Cu(s) \(\rightarrow\) Cu²⁺(aq) + 2e^-
• C)2Cu(s) \(\rightarrow\)2Cu²⁺(aq) + e^-
• D)Ag⁺(aq) + e^- \(\rightarrow\) Ag(s)
• E)Ag(s) \(\rightarrow\) Ag⁺(aq) + e^-

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