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E^(θ) values of some redox couples are g...

`E^(θ)` values of some redox couples are given below. On the basis of these values choose the correct option.
`E^(θ)` values: `Brt_(2)//Br^(-) = +1.90`
`Ag^(+)//Ag(s)=+0.80`
`Cu^(2+)//Cu(s)=+0.34, I_(2)(s)//I^(-)=+0.54`

A

Cu will reduce `Br^(-)`

B

Cu will reduce Ag

C

Cu will reduce `I^(-)`

D

Cu will reduce `Br_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D

More positive the value of `E^(@)`, greater is the tendency of the species to get reduced. On the basis of the given `E^(@)` values, `Br_(2)` is having highest `E^(@)` value (+1.90) hence, Cu will easily reduce ` Br_(2)`.
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