4.3.1 And 4.3.2 The Process Of Electrolysis And Electrolysis Of Molten Ionic Compounds Flashcards
1
Q
Where does oxidation occur?
A
Anode
2
Q
Where does reduction occur?
A
Cathode
3
Q
Why does an electrolyte have to be aqueous or molten?
A
so the ions are free to move
4
Q
What is found in the wire?
A
Electrons
5
Q
What is found in the electrolyte?
A
Ions
6
Q
Which electrode do positively charge ions go to?
A
Cathode
7
Q
Which electrode to negatively charged ions go to?
A
Anode
8
Q
What happens in a half equation
A
Ion becomes an atom
9
Q
What forms at the anode?
A
- Negative ions
- Non-metal
10
Q
What forms at the cathode?
A
- Positive ions
- Metal
11
Q
Electroplating
A
When an object is coated with a thin layer og metal by electrolysis
12
Q
What is at the cathode during electroplating?
A
The object to be electroplated
