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The temperature coefficient of the emf i...

The temperature coefficient of the emf i.e. `(dE)/(dT)=0.00065"volt".deg^(-1)` for the cell `Cd|CdCl_(2)(1M)||AgCl(s)`
`|Ag` at `25^(@)C` calculate the entropy changes `triangleS_(298K)` for the cell reaction, `Cd+2AgCltoCd^(++)+2Cl^(-)+2Ag`

A

`-105.5JK^(-1)`

B

`-150.2JK^(-1)`

C

`-75.7JK^(-1)`

D

`-125.5JK^(-1)`

Text Solution

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The correct Answer is:
D
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