1.

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

Answer»

PERMANGANATE is an OXIDIZING agent and it oxidizes sulphate.
Ferrous sulphate is an oxidizing agent and it oxidizes permanganate.
The colour DISAPPEARS DUE to DILUTION, no reaction is involved.
Permanganate is an unstable compound and undergoes decomposition in the presence of ferrous sulphate to a coloured compound.

Answer :A


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