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For, I(2) + 2e rarr 2I^(-), standard red...

For, `I_(2) + 2e rarr 2I^(-)`, standard reduction potential `= +0.54` volt. For, `2Br^(-) rarr Br_(2) + 2e^(-)` standard oxidation potential `= -1.09` volt. For `Fe rarr F^(2+) + 2e^(-)`, standard oxidation potential `= +0.44` volt. Which of the follwoing reactions is non-spontaneous ?

A

`Br_(2)+2I^(-) to 2Br^(-)+I_(2)`

B

`Fe+Br_(2) to Fe^(2+) +2Br^(-)`

C

`Fe+I_(2) to Fe^(2+) +2I^(-)`

D

`I_(2)+2Br^(-) to 2I^(-)+ Br_(2)`

Text Solution

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The correct Answer is:
D
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