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The standard electrode potentials of Zn^...

The standard electrode potentials of `Zn^(2+)|Zn,Cu^(2+)|Cu and Ag^(+)|Ag` are respectively `-0.76,0.34` and `0.8V`. The following cells were constructed.
`Zn|Zn^(2+)"||"Cu^(2+)|Cu`
`Zn|Zn^(2+)"||"Ag^(+)|Ag`
`Cu|Cu^(2+)"||"Ag^(+)|Ag`
What is the correct order `E_("cell")^(0)` of these cell?

A

`II gt III gt I`

B

`II gt I gt III`

C

`I gt II gt III `

D

`III gt I gt II `

Text Solution

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The correct Answer is:
B
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