1. In an electrolytic cell, the electrode connected to the positive terminal of the DC source is called the:
2. Which of the following substances is a non-electrolyte?
3. During the electrolysis of brine, which gas is liberated at the cathode?
4. Faraday's First Law of Electrolysis states that the mass (m) of a substance discharged at an electrode is directly proportional to the:
5. Which factor does NOT affect the preferential discharge of ions during electrolysis?
6. Which of these is a common application of electrolysis?
7. In the electrolysis of dilute H2SO4 using platinum electrodes, the reaction at the anode is:
8. Which of the following occurs at the cathode during electrolysis?
9. What mass of water copper (RAM = 64) will be deposited by a current of 2.0A passing for 965 seconds? (1 F = 96500 C, Cu^{2+})
10. An electrochemical equivalent is defined as the mass of a substance deposited by
11. Which of the following electrodes is considered 'active' during the electrolysis of CuSO4solution?
12. The process of using electricity to decompose a chemical compound is called:
13. Which of these ions will be discharged first at the cathode if they are all present in the same concentration?
14. What is the primary function of a salt bridge in a voltaic cell?
15. During the electrolysis of acidified water, which gas is liberated at the cathode?
16. A device that converts chemical energy into electrical energy is known as a/an
17. What is the oxidation state of Manganese in the MnO4- ion?
18. Which of the following is a strong electrolyte?
19. In which of the following is the oxidation number of chlorine zero.
20. The ions in a solution that conduct electricity are
