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A dilute ferrous sulphate solution was g...

A dilute ferrous sulphate solution was gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?

A

`KMnO_4` oxidises ferrous sulphate.

B

`KMnO_4` reduces ferrous sulphate.

C

Ferrous sulphate oxidises `KMnO_4`

D

`KMnO_4` is unstable compound and undergoes decomposition to form a colourless compound.

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The correct Answer is:
A
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