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d) Metallic sodium is not produced by the electrolysis of sodium chloride. What change would you need to make to the electrolyte to obtain metallic sodium. ........................................................................................................................ ........................................................................................................................ e) Oxygen is formed at the positively charged anode when copper sulphate is electrolysed using inert electrodes. Explain how oxygen is formed from ions in the solution. ........................................................................................................................ ........................................................................................................................ ....................................................................................................................... f) Copper is also produced. 1.29g of copper were produced in an experiment. Calculate the number of moles of copper produced. ........................................................................................................................ Your turn: 3. Thin layers of transition metals can be used to form a coating on objects made of a different transition metal. This can be done to protect them against corrosion and improve their appearance. Iron spoon 6V d.c. - Silver rod Solution containing silver ions a) Which row of the table shows the charge on the silver rod electrode and the type of reaction occurring at this electrode? Charge Type of reaction positive reduction negative oxidation positive oxidation negative reductionPDF Image | How to work with Electrolysis
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