Practice Electrolytic Cells And Electrolysis (2.5) - Electrochemistry

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the main function of electrolytic cells?
Show hintHide hint
Consider how they contrast with galvanic cells.
Question 2.
Define Faraday's First Law of Electrolysis.
Show hintHide hint
Think about how the charges relate to chemical reactions.
3Question 3.
What is the primary purpose of an electrolytic cell?
- To produce electrical energy
- To provide heat energy
- To facilitate non-spontaneous reactions
Show hintHide hint
Think about the direction of energy conversion.
4Question 4.
True or False: Electrolytic cells do not need an external voltage source.
- True
- False
Show hintHide hint
Recall the characteristics of electrolytic cells.
Question 5.
An electrolytic cell is set up with a current of 3.0 A passed for 15 minutes to reduce Ag+ ions. Calculate the mass of silver deposited.
Show hintHide hint
Remember, n for Ag+ is 1.
Question 6.
Describe and calculate the products of electrolyzing a mixed solution of CuSO4 and NaCl. What will happen at each electrode?
Show hintHide hint
Think about what reduces at the cathode and oxidizes at the anode!

4 more questions in this section. Enroll free to practise them all.