Electrolysis Flashcards
(6 cards)
1
Q
What is electrolysis
A
Electrolysis is defined as the conduction of electricity by an electrolyte, leading to the decomposition of the electrolyte.
2
Q
What is an electrolyte
A
An electrolyte is defined as a molten or aqueous ionic compound which is decomposed through the process of electrolysis.
3
Q
When OH- is discharged
A
4OH(aq)———O2(g)+2H2O(l)=4e-
Overall reaction
4H2O(l)——-2H2O(l)+2H2(g)+O2(g)
4
Q
Chlorine
A
Chlorine is highly soluble in water and thus dissolves readily in teh electrolyte.
5
Q
Purification of copper
A
Pure copper cathode
Impure copper anode
6
Q
Electroplating
A
Object to be plated:cathode
Desired metal:anode
