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Which is the cell representation for the reaction Cu + 2Ag+ giving Cu2+ + 2Ag?
AAg|Ag+||Cu2+|Cu
BCu2+|Cu||Ag|Ag+
CCu|Cu2+||Ag+|Ag
DAg+|Ag||Cu|Cu2+
Answer & Solution
Correct answer: C. Cu|Cu2+||Ag+|Ag
Copper is oxidised so it sits at the left as the anode, and silver ions are reduced at the right cathode.
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