Electrolysis Flashcards
1
Q
What is the 3 word phrase for cathode?
A
Fat (gains mass)
Red (reduction)
Cat (Cathode)
2
Q
What is the equation for the discharge of OH-?
A
4OH- —-> 2H²O + O² + 4e-
3
Q
What charge is the short end of the battery?
A
Negative.
4
Q
In the ECS, what do we do with Na+ and Ca²+ in terms of the reactivity series?
A
We swap their positions.
5
Q
For any PH change, what ions do we use to see the change in the electrolyte?
A
The ions not discharged.
6
Q
List the first letter of the Anion ECS
A
F/S/N/C/B/I/O
7
Q
Where do we place the object in electroplating?
A
Cathode
8
Q
Define electrolysis.
A
Electrolysis is the process of a using electricity to break down or decompose a compound.
9
Q
Where do the cations go?
A
To the cathode, to be reduced.
10
Q
Where do the anions go?
A
To the anode to be oxidised
