Chapter 6A - Electrolysis and Electrolytic Reactions Flashcards
(8 cards)
1
Q
Define ANODE
A
Electrode where oxidation takes place
2
Q
Define Aqueous Electrolyte
A
Ionic compound is dissolved in water and ions are free to move.
3
Q
Define Cathode
A
Electrode where reduction takes place
4
Q
Define Molten Electrolyte
A
- Ionic compound is melted
- Ions are free to move in liquid state
5
Q
What is Electrolysis?
A
Process of passing an electrical current through an electrolyte causing an electrolytic reaction to occur in an electrolytic cell
6
Q
What is an electrolytic reaction?
A
A non-spontaneous redox reaction that requires an external power source to overcome the activation energy barrier.
7
Q
What is the role of an external power source?
A
- forcefully removes electrons to oxidise a species
- forcefully pushes electrons to reduce a species
8
Q
What is the energy conversion taking place in an electrolytic cell?
A
Electrical energy converted to chemical energy
