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The cell reaction of the galvanic cell, ...

The cell reaction of the galvanic cell, `Cu(s) // Cu^(2+)(aq) // Hg^(2+) (aq) // Hg (l)` is

A

`Hg+Cu^(2+) rarr Hg^(2+) + Cu`

B

`Hg + Cu^(2+) rarr Hg^(+) +Cu^(+)`

C

`Hg + Cu^(2+) rarr CuHg`

D

`Cu + Hg^(2+) rarr Cu^(2+)+Hg`

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