Hard Hard Hard Questions

Chemistry 12
Chapter 5 - Electrochemistry
Electrolysis Questions
Review sec 5.8 to 5.13
Take your time, look at your notes and the text to answer these questions. Try to understand
the questions. So you do not need to study this again.
Chemistry 12
Chapter 5 - Electrochemistry
Chemistry 12
Chapter 5 - Electrochemistry
What are the most likely products of the electrolysis of 1 0 2 . M MgI using inert
electrodes?
A. H2 and I2
B. Mg and I2
C. H2 and O2
D. Mg and O2
Which of the following would protect an iron pipeline from rusting?
A. connecting it to a solution of silver nitrate
B. connecting it to the positive terminal of a direct current power supply
C. connecting it to the negative terminal of a direct current power supply
D. connecting it to electrodes made of copper which are buried beside the pipeline
Chemistry 12
Chapter 5 - Electrochemistry
Chemistry 12
Chapter 5 - Electrochemistry
Chemistry 12
Chapter 5 - Electrochemistry
Which of the following best describes a car battery as it is being recharged?
A. It is an electrolytic cell.
B. It is an electrochemical cell.
C. It is an example of a short circuit.
D. It is a system moving to a state of lower potential energy.