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The cell reaction of the galvanic cell :...

The cell reaction of the galvanic cell : `Cu_((s))|Cu_((aq))^(2+) ||Hg_((aq))^(2+) |Hg_((l))` is

A

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

B

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

C

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

D

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

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The correct Answer is:
D
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For the Daniel Cell involving the cell reaction Zn_((s))+Cu_((aq))^(+2)hArrZn_((aq))^(+2)+Cu_((s)) the standard free energies of formation of Zn_((s)),Cu_((s)),Cu_((aq))^(+2) and Zn_((aq))^(+2) are 0, 0, 64.4 KJ/Mole and -154.0 KJ/Mole, respectively. Calculate the standard EMF of the cell

Represent the galvanic cell in which the reaction Zn_((s))+ Cu_((aq))^(2+)rightarrowZn_((aq))^(2+)+Cu_(s) take place .

TARGET PUBLICATION-ELECTROCHEMISTRY-CRITICAL THINKING
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