Question

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

Answer 1

Explanation:

This shows that the particles of water have space between them in which the particles of potassium permanganate settles.

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Answer 2

Answer:

When we place few crystals of potassium permanganate in a beaker containing water, we get two distinct layers—colourless water at the top and pink colour at the bottom. After few minutes, pink colour spreads and whole solution turns pink due to diffusion. Since potassium permanganate is a solid substance, it does not possess so much space. Water molecules due to liquid state, collide with solid particles and intermix due to sufficient space between molecules.