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Question

Which of the following represents the anode half-cell reaction for the following galvanic cell: Cu(s)|Cu2+(aq)||Ag+(aq)|Ag(s)

A
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B
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C
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D
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Solution

The correct option is B

Reduction reaction takes place at cathode and oxidation reaction takes place at anode.
Cathode :2Ag+(aq) + 2e2Ag(s)
Anode :Cu(s)Cu2+(aq) + 2e
Cell reaction :Cu(s) + 2 Ag+(aq)Cu2+(aq) + 2Ag(s)


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