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Which one of the compound cannot decolou...

Which one of the compound cannot decolourize an acidified solution of `KMnO_4`?

A

`SO_2`

B

`FeCl_3`

C

`H_2 O_2`

D

`FeSO_4`

Text Solution

Verified by Experts

The correct Answer is:
B
`FeCl_3` cannot decolourize an acidified solution of `KMnO_4` because it is present in `Fe^(3+)` state. So it cannot act as reducing agent.
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