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In alkaline medium ClO2 oxidises H2O2 ...

In alkaline medium `ClO_2 ` oxidises `H_2O_2 ` to ` O_2` and itself gets reduced to `Cl^(-)` . How many moles of `H_2O _2 ` are oxidized by 1 mole of ` ClO_2` ?

A

1

B

1.5

C

2.5

D

3.5

Text Solution

Verified by Experts

The correct Answer is:
C
The balanced chemical equation is: `2ClO_2 + 5H_2O_2 + 2OH^(-) to 2Cl^(-) + 5O_2 + 6H_2O`
`2 mol ClO_2 -= 5 mol H_2O_2, ` 1 mole `ClO_2 -= 2.5 mol H_2O_2`
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