A dilute ferrous sulphate solution was gradually added to the beaker containing acidified potassium 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

Potassium permanganate is an unstable compound

B

Ferrous sulphate acts as an oxidising agent and oxidises potassium permanganate

C

Potassium permanganate is an oxidising agent, it oxidises ferrous sulphate

D

The colour disappears due to dilution