Potassium permanganate crystals Filter paper soaked in salt solution.

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Presentation transcript:

Potassium permanganate crystals Filter paper soaked in salt solution

What’s going to happen in this experiment? The purple potassium permanganate is going to spread over the paper because of diffusion. The purple colour is going to move to the negative side only. The purple colour is going to move to the positive side only. I think it’s an example of electrolysis.

Potassium permanganate crystals Filter paper soaked in salt solution

Notes Sketch a copy of the diagram. Describe the movement of colour. Explain the movement of colour.

copper(II) chromate solution

Notes Sketch a copy of the diagram. Describe the movement of colour. Explain the movement of colour.