Electrolysis

Electrolysis Quiz

IB MYP Chemistry: Quiz

Studying this course? Keep your progress in one place.

Pick an answer for each. Quizzes never use energy.

5 questions, one answer each

Each answer is checked as you go, with why.

See all 5 questions

  1. 1. Which statement about the electrodes is correct?

    • A. The cathode is positive and attracts anions
    • B. The cathode is negative and attracts cations
    • C. The anode is negative and attracts cations
    • D. The anode is where reduction happens

  2. 2. What is formed at the anode when concentrated sodium chloride solution is electrolysed?

    • A. Chlorine
    • B. Sodium
    • C. Hydrogen
    • D. Oxygen

  3. 3. Copper(II) sulfate solution is electrolysed with inert electrodes. What forms at the cathode?

    • A. Hydrogen
    • B. Sulfur
    • C. Oxygen
    • D. Copper

  4. 4. A key ring is to be nickel plated. What should be used as the anode?

    • A. The key ring
    • B. Graphite
    • C. Nickel
    • D. Copper

  5. 5. What are the volumes of gases collected when water is electrolysed?

    • A. Hydrogen and oxygen in a 2 : 1 ratio
    • B. Hydrogen and oxygen in a 1 : 1 ratio
    • C. Only hydrogen
    • D. Oxygen and hydrogen in a 2 : 1 ratio

Quiz