Question

When a crystal of potassium permanganate is placed in a beaker, its purple colour spreads throughout the water. What does this observaton tell us about the nature of potassium permanganate and water ?

Answer 1

It shows that each potassium permanganate crystal is made up of millions of small particles and particles of water have spaces between them which is occupied by the broken particles of potassium permanganate imparting a purple color to water which depicts the nature of diffusion of potassium permanganate.