Electrolysis of solutions

This lesson will look at predicting and explaining the products of electrolysis of ionic solutions.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.(Revision) What salt will form from the reaction between sodium carbonate and nitric acid?

1/6

Q2.(Revision) What is being oxidised in the equation below?

2/6

Q3.Which electrode does aluminium form at during the electrolysis of aluminium oxide?

3/6

Q4.Why is electrolysis used to extract aluminium from aluminium oxide?

4/6

Q5.Why is aluminium oxide dissolved in cryolite during electrolysis

5/6

Q6.Why does the anode need replacing during the electrolysis of aluminium oxide?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.(Revision) What salt will form from the reaction between sodium carbonate and nitric acid?

1/6

Q2.(Revision) What is being oxidised in the equation below?

2/6

Q3.Which electrode does aluminium form at during the electrolysis of aluminium oxide?

3/6

Q4.Why is electrolysis used to extract aluminium from aluminium oxide?

4/6

Q5.Why is aluminium oxide dissolved in cryolite during electrolysis

5/6

Q6.Why does the anode need replacing during the electrolysis of aluminium oxide?

6/6

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

  • Click "Close Video"
  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Electrolysis of Solutions

This quiz will assess your learning from this lesson and previous lessons in this unit.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Q1.(Revision) What are the correct products of the reaction between a metal oxide and an acid?

1/9

Q2.(Revision) How do you test for carbon dioxide?

2/9

Q3.What state symbol is used to represent substances in solution?

3/9

Q4.Which ions present in a solution come from water?

4/9

Q5.What will form at the anode in the electrolysis of aqueous sodium chloride?

5/9

Q6.What will form at the anode in the electrolysis of copper sulfate solution?

6/9

Q7.What will form at the cathode during the electrolysis of copper chloride solution?

7/9

Q8.What will form at the cathode during the electrolysis of aqueous calcium nitrate?

8/9

Q9.During the electrolysis of silver bromide solution, silver forms at the cathode. What does this tell us about silver?

9/9

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Electrolysis of Solutions

This quiz will assess your learning from this lesson and previous lessons in this unit.

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Question 7

Question 8

Question 9

Q1.(Revision) What are the correct products of the reaction between a metal oxide and an acid?

1/9

Q2.(Revision) How do you test for carbon dioxide?

2/9

Q3.What state symbol is used to represent substances in solution?

3/9

Q4.Which ions present in a solution come from water?

4/9

Q5.What will form at the anode in the electrolysis of aqueous sodium chloride?

5/9

Q6.What will form at the anode in the electrolysis of copper sulfate solution?

6/9

Q7.What will form at the cathode during the electrolysis of copper chloride solution?

7/9

Q8.What will form at the cathode during the electrolysis of aqueous calcium nitrate?

8/9

Q9.During the electrolysis of silver bromide solution, silver forms at the cathode. What does this tell us about silver?

9/9

Lesson summary: Electrolysis of solutions

It looks like you have not completed one of the quizzes.

To share your results with your teacher please complete one of the quizzes.