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What is the equivalent mass of ` IO_4^(-)` when it is converted into `I_2` in acid medium ?A. `M//6`B. `M//7`C. `M//5`D. `M//4`

Answer» Correct Answer - B
`underset((O.N. of I = +7))(IO_(4)^(-))+8H^(+)tounderset((O.N. of I=0))(I_(2))+4H_(2)O-7e^(-)`
Eq. mass of `O_(4)^(-) = ("Mol mass")/(7) = (M)/(7)`


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