4 Electrochemistry

Practice questions on Electrochemistry

• State two advantages and two disadvantages of using hydrogen-oxygen fuel cells to generate… (4 marks, State)
• Explain why electrolysis can occur in a solution of sodium chloride but not in solid sodiu… (4 marks, Explain)
• During the electrolysis of dilute sulfuric acid using inert platinum electrodes, describe … (4 marks, Describe and Explain)
• During the electrolysis of molten lead(II) bromide, describe what happens at each electrod… (4 marks, Describe)
• Explain why copper(II) sulfate solution conducts electricity but solid copper(II) sulfate … (4 marks, Explain)
• Describe how a hydrogen-oxygen fuel cell produces electrical energy, including what happen… (4 marks, Describe)
• During the electrolysis of copper(II) sulfate solution using copper electrodes, describe w… (4 marks, Describe and Explain)
• Explain why hydrogen-oxygen fuel cells are considered more advantageous than petrol engine… (4 marks, Explain)
• A student claims that hydrogen-oxygen fuel cells are better for the environment than power… (4 marks, Evaluate)
• A city plans to replace its fleet of diesel buses with buses powered by hydrogen-oxygen fu… (4 marks, Explain)