Electrolysis

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Explain why ionic compounds conduct electricity only when molten or dissolved, and predict the products of electrolysing molten binary compounds such as lead bromide
Predict the products at each electrode when aqueous solutions are electrolysed (hydrogen or the metal at the cathode; oxygen or the halogen at the anode)
Required practical: investigate the electrolysis of aqueous solutions with inert electrodes and test the gases produced

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(HT) Write half equations for reactions at the electrodes and explain them as oxidation or reduction; (Edexcel, Cambridge) describe electroplating and copper purification

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