Electrolysis Flashcards
1
Q
Define: Electrolysis
A
A chemical change caused by passing an electrical current through a compound which is either molten or in a solution.
2
Q
Define: Electrolyte
A
A substance the undergoes electrolysis that contains ions
3
Q
Electrolysis - what happens
A
Electricity is passed into and out of the electrolyte via two electrodes.
4
Q
Why use carbon/platinum electrodes
A
Fairly inert
Conducts electricity
5
Q
Positive electrode
A
Anode
6
Q
Negative electrode
A
Cathode
7
Q
Mnemonic for electrodes
A
PANC
Positive Anode
Negative Cathode
