question_answer 34)

  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) is an oxidising agent, it oxidises (b)acts as an oxidising agent and oxidises (c) The colour disappears due to dilution, no reaction is involved (d) is an unstable compound and decomposes in the presence ofto a colourless compound

Answer:

   (a) Potassium permanganate () in presence of dil i.e., in acidic medium acts as strong oxidizing agent. In acidic medium,oxidizes ferrous sulphate to ferric sulphate.