When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the water slowly turns blue. Why?

When a crystal of copper sulphate is placed at the bottom of a beaker containing water, the water slowly turns blue because of the diffusion of copper sulphate particles into water. As the particles of water have large inter-molecular spaces between themselves, which are slowly occupied by the particles of copper sulphate.

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Updated on: 10-Oct-2022

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