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Sn^(4+)(aq) + 2e^(-) rightarrow Sn^(2+)(...

`Sn^(4+)(aq) + 2e^(-) rightarrow Sn^(2+)(aq)` `E^(@) = 0.15V`
`Cr^(3+)(aq) + e^(-) rightarrow Cr^(2+)(aq)` `E^(@) = 0.41V`
According to the standard reduction potentials above, what is the value of `E^(@)` for the reaction below?
`2Cr^(3+)(aq) + Sn^(2+)(aq) rightarrow 2Cr^(2+)(aq) + Sn^(4+)(aq)`

A

`-0.97V`

B

`-0.56V`

C

`+0.56V`

D

`+0.97V`

Text Solution

Verified by Experts

The correct Answer is:
B
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GRB PUBLICATION-ELECTROCHEMISTY-Galvanic Cell and Salt Bridge
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