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The oxidation state of iodine in `H_(4)IO_(6)^(-)` is:
A. `+7`
B. `-1`
C. `+5`
D. `+1`

1 Answer

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Best answer
`[overset(+1)H_(4)overset(x)overset(-2)O_(6)]^(-)`
`4(+1)+x+6(-2)=-1`
`x-8=-1 or x=+7`

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