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What volume of O(2) measured at standard...

What volume of `O_(2)` measured at standard condition will be formed by the action of `100 mL` of `0.5N KMnO_(4)` on hydrogen peroxide in an acid solution?
The skeleton equation for the reaction is,
`KMnO_(4)+H_(2)SO_(4)+H_(2)O_(2)rarrKHSO_(4)+MnSO_(4)+H_(2)O+O_(2)`

A

`0.12"litre"`

B

`0.28 "litre"`

C

`0.56"litre"`

D

`1.12"litre"`

Text Solution

Verified by Experts

The correct Answer is:
B
Meq.of `O_(2)=Meq.of KMnO_(4)=100xx0.5`
`(w)/(8)xx1000=50`
`:. w_(O_(2))=0.4g`
`:. VO_(2)=(22.4xx0.4)/(32)=0.28` litre
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