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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 L`

B

`0.28 L`

C

`0.56 L`

D

`1.12 L`

Text Solution

Verified by Experts

The correct Answer is:
B
Eq. of `O_(2)=` Eq. of `KMnO_(4)`
` implies (w)/(8)=0.1xx0.5`
` implies w=0.4 g`
`:. 32 g` of `O_(2)=22.4 L` at `STP`
`:. 0.4 g` of `O_(2)=(22.4)/(32)xx0.4=0.28`
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