1.

When SO_2is passed in a solution of potassium iodate, the oxidation state of iodine changes from

Answer»

`+5 " to " 0`
`+5 " to " -1`
`-5 " to " 0`
`-7 " to " -1`

Solution :`overset(+5)(IO_3^(-))RARROVERSET(0)I_2`


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