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What is the equivalent mass of IO4^(-) ...

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

Text Solution

Verified by Experts

The correct Answer is:
B
`overset(+7)(I)O_(4)^(-)+7e^(-)rarr1//2overset(0)(I)_(2)`
`:.` Eq. mass of `IO_(4)^(-)=("Mol mass")/(7)=(M)/(7)`
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