A large crystal of potassium permanganate is kept in a?glass beaker containing water. This setup is then left undisturbed for an hour. The solution undergoes a change in colour.
(i)?What is this change in colour?

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Solution

Dear student,
When we place Potassium Permanganate crystals into the water, it's purple color spreads throughout the water. This shows the diffusion property of particles of water and Potassium Permanganate, as due to this property only the dissolution and spreading of the color of Potassium Permanganate takes place.
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A large crystal of potassium permanganate is kept in a?glass beaker containing water. This setup is then left undisturbed for an hour. The solution undergoes a change in colour. (i)?What is this change in colour?

A large crystal of potassium permanganate is kept in a?glass beaker containing water. This setup is then left undisturbed for an hour. The solution undergoes a change in colour.
(i)?What is this change in colour?