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How many of oxygen atoms become availabl...

How many of oxygen atoms become available form one mole of `KMnO_(4)` as an oxidizing agent in the acidic medium ?

A

`2.5`

B

5

C

`3.0`

D

6

Text Solution

Verified by Experts

The correct Answer is:
A
The equivalent mass of `KMnO_(4)` in acidic medium is M/5, thus its one mole contains five equivalents. According to law to equivalents, five equivalents of `KMnO_(4)` will release five equivalents of oxygen atoms, `5xx1//2 = 2.5` mole oxygen atoms become available.
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