Electrolysis Flashcards
1
Q
What is electrolysis?
A
The breakdown of ionic substances into simpler substances when an electric current is passed through them
2
Q
What does PANIC mean?
A
P ositive A node N egative I s C athode
3
Q
What is the purpose of the cathode?
A
- positive ions gain electrons
- this is reduction
- negative electrode
4
Q
What is the purpose of the anode?
A
- negative ions lose elections and become atoms
- this is oxidation
- positive electrode
5
Q
What is: OILRIG?
A
O xidation I s L oss R eduction I s G ain
6
Q
Cathode: Eg:
A
Na+ + e- > Na
|__|
Completed the
element
7
Q
Anode: Eg:
A
2Cl- > Cl2 + 2e-
|____|
An electron is lost
8
Q
What is the order of discharge?
A
Halide Ion
⬇️
Hydroxide
⬇️
Other Ions
