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During the disproportionation of I(2) to...

During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is

A

`1 : 5`

B

`5 : 1`

C

`3 : 1`

D

`1 : 3`

Text Solution

Verified by Experts

The correct Answer is:
A
The balanced equation is
`6I_(2)+12OH^(-) underset(implies)underset()(rarr) underset(1)underset(2)(2IO_(3)^(-))+underset:underset:(10I^(-))+underset(5)underset(10)(6H_(2)O)`
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