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0. 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? (NTSE Chandigarh, Stage-I, 2014-15)
KMn04 is an oxidizing agent and it oxidizes FeS04
FeS04 acts as an oxidizing agent and it oxidizes KMn04
The colour disappears due to dilution: noreaction is involved
KMn04 is an unstable compound and it decomposes in presence of FeS04 to a colourless compound
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