What solutions are electrolysed in this practical?
Aqueous solutions of copper (II) chloride and sodium chloride.
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What type of electrodes are used?
Inert carbon electrodes.
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What will be observed during electrolysis?
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What is the purpose of testing with blue litmus paper?
To test if the solution becomes acidic (red) or alkaline (remains blue) after electrolysis.
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Where are bubbles formed during electrolysis?
At the anode.
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Why repeat with sodium chloride solution?
To compare results between the two solutions.
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What indicates an acidic solution after electrolysis?
The blue litmus paper turning red.
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