C3.4.1 - Electrolysis of molten salts Flashcards
1
Q
What is electrolysis?
A
The process in which an electric current is passed through a compound, causing a chemical change
2
Q
What is an electrode?
A
It is an electric conductor made from a metal or graphite used for electrolysis
3
Q
What are positive ions called?
A
Cations
4
Q
What are negative ions called?
A
Anions
5
Q
What is the positive cathode called?
A
Anode
6
Q
What is the negative cathode called?
A
Cathode
7
Q
What happens during electrolysis?
A
- positive ions gain electrons at the cathode and become atoms
- negative ions lose electrons at the anode and become atoms
