What is electrolysis?

How and why is an electric current passed through a substance?

Give an example of why the electrolyte needs to be liquid.

Define:
a) electrolyte
b) anode
c) cathode
d) cation
e) anion

Describe the process of electrolysis

What happens at the electrodes?

Describe the electrolysis of zinc chloride.

Describe the redox reaction at the electrode.

Explain, in terms of reduction and oxidation, using half equations, what happens at the electrodes during the electrolysis of lead bromide.

In aqueous solution, electrolysis is more complex because of the water.

What are the ions formed by water?

If two elements can be formed at an electrode -

What happens at the cathode in an aqueous solution?

What happens at the anode in an aqueous solution