Question

does the purple colour spread when a crystal of potassium manganate(VII) is placed in water?

Answer 1

Explanation:

When a crystal of potassium permanganate is placed in a beaker containing water, its purple colour spreads throughout the water. What do you conclude from this observation about the nature of potassium permanganate and water? Answer: ... After few minutes, pink colour spreads and whole solution turns pink due to diffusion.....

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Answer 2

Answer:

When a piece of Potassium permanganate (KMnO₄) is added to or placed at the bottom of a beaker which contains cold water, then the water turns into a purple coloured solution. ... As they get dispersed in the water, the purple particles will spread making the solution lighter in colour.