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Consider the change in oxidation state o...

Consider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below:
`BrO_(4)^(-) overset(1.82V)(rarr)BrO_(3)^(-)overset(1.5V)(rarr) HBrO overset(1.595V)(rarr) Br_(2) overset(1.0652V)(rarr)Br^(-)`
Then the species undergoing disproportional is

A

`Br_(2)`

B

`BrO_(4)^(-)`

C

`BrO_(3)^(-)`

D

`HBrO`

Text Solution

Verified by Experts

The correct Answer is:
D
Hint :
`(E_("cell"))_(A)=-1.82+1.5=-0.32V`
`(E_("cell"))_(B)=-1.5+1.595=+0.095V`
`(E_("cell"))_(C)=1.595+1.0652=-0.529V`
`therefore " The species undergoing disproportionation in HBrO"`
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