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What is Faraday's law of electrolysis?

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Question: What is Faraday\'s law of electrolysis?

Options:

  1. Mass is conserved
  2. Charge is conserved
  3. Current is proportional to voltage
  4. The amount of substance deposited is proportional to the charge passed

Correct Answer: The amount of substance deposited is proportional to the charge passed

Solution: 

Faraday\'s law states that the amount of substance deposited is proportional to the charge passed through the electrolyte.

What is Faraday's law of electrolysis?

Practice Questions

Q1
What is Faraday's law of electrolysis?
  1. Mass is conserved
  2. Charge is conserved
  3. Current is proportional to voltage
  4. The amount of substance deposited is proportional to the charge passed

Questions & Step-by-Step Solutions

What is Faraday's law of electrolysis?
  • Step 1: Understand that electrolysis is a process where electricity is used to cause a chemical change.
  • Step 2: Know that in electrolysis, there are two electrodes: an anode (positive) and a cathode (negative).
  • Step 3: Realize that when electric current passes through the electrolyte (the solution), it causes substances to be deposited at the electrodes.
  • Step 4: Faraday's law states that the amount of substance (like metal) that gets deposited at the electrodes depends on the total electric charge that has passed through the electrolyte.
  • Step 5: This means if you pass more electric charge, more substance will be deposited, and if you pass less charge, less substance will be deposited.
  • Faraday's Law of Electrolysis – The principle that relates the amount of substance deposited during electrolysis to the total electric charge passed through the electrolyte.
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