Electrolytic Cells
Chemistry ⇒ Redox Reactions and Electrochemistry
Electrolytic Cells starts at 11 and continues till grade 12.
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See sample questions for grade 11
A solution of copper(II) sulfate is electrolyzed using platinum electrodes. What is observed at the cathode?
A student electrolyzes a solution of potassium iodide using inert electrodes. What is observed at the anode?
Describe the main difference between a galvanic cell and an electrolytic cell.
During the electrolysis of aqueous copper(II) sulfate using copper electrodes, what happens to the mass of the anode?
During the electrolysis of aqueous copper(II) sulfate using inert electrodes, what is the product at the anode?
During the electrolysis of water, what is the ratio of the volumes of hydrogen and oxygen gases produced?
Explain the role of the electrolyte in an electrolytic cell.
Explain why a direct current (DC) source is required for the operation of an electrolytic cell.
Which of the following factors does NOT affect the products of electrolysis? (1) Nature of electrolyte (2) Nature of electrodes (3) Applied voltage (4) Atmospheric pressure
Which of the following ions will be discharged at the cathode during the electrolysis of aqueous NaCl? (1) Na+ (2) H2O (3) Cl- (4) OH-
Which of the following is a correct example of an electrolytic process? (1) Discharging a battery (2) Electroplating silver onto a spoon (3) Corrosion of iron (4) Combustion of methane
Which of the following is a correct statement about the anode in an electrolytic cell? (1) It is the site of reduction. (2) It is negatively charged. (3) It is the site of oxidation. (4) It attracts cations.
Fill in the blank: In an electrolytic cell, the process of _______ occurs at the anode.
Fill in the blank: The minimum voltage required to start electrolysis is called the _______ potential.
Fill in the blank: The process of using electrolysis to coat an object with a thin layer of metal is called _______.
Fill in the blank: The unit of quantity of electricity is the _______.
State whether the following statement is true or false: The cathode in an electrolytic cell is always negative.
State whether the following statement is true or false: The electrolyte in an electrolytic cell must always be a molten salt.
True or False: Electrolysis of water produces hydrogen at the cathode and oxygen at the anode.
True or False: In an electrolytic cell, oxidation occurs at the anode and reduction occurs at the cathode.
