Electrolysis: aqueous solutions practical

12 questions

1. What is an electrolyte in the context of electrolysis?
2. What is formed when substances dissolve in water?
3. How does electrical conductivity in liquids occur?
4. Why are inert electrodes used in electrolysis?
5. What happens to copper ions during the electrolysis of copper sulfate solution?
6. What are the products at the anode during the electrolysis of brine?
7. What is the primary function of the cathode in electrolysis?
8. What are the observations at the anode during the electrolysis of copper (II) chloride solution?
9. What happens at the cathode during the electrolysis of copper (II) sulfate solution?
10. Explain why copper is deposited at the cathode during the electrolysis of copper (II) sulfate solution.
11. During the electrolysis of brine, why is chlorine gas collected at the anode?
12. What is the test for oxygen gas?

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