Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does electrolysis use to drive a chemical reaction?
💡 Hint: Think about what is needed to initiate non-spontaneous reactions.
Question 2
Easy
What is Faraday's First Law?
💡 Hint: It relates mass to electricity.
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Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the primary driving force of electrolysis?
- Heat
- Pressure
- Electrical Energy
💡 Hint: Consider what is used to initiate the process.
Question 2
True or False: Faraday's Second Law states that the same quantity of charge will always produce the same mass of products in different reactions.
- True
- False
💡 Hint: Think about how different substances may behave.
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Challenge Problems
Push your limits with challenges.
Question 1
Calculate the amount of aluminum deposited when a 15 A current is passed for 25 minutes through an aqueous aluminum sulfate solution.
💡 Hint: Don't forget that aluminum requires 3 moles of electrons to deposit 1 mole.
Question 2
Determine the volume of hydrogen gas produced at STP from the electrolysis of water using a 4 A current flowing for 2 hours.
💡 Hint: Water decomposition requires 2 moles of electrons per mole of hydrogen produced.
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