Electrolysis Flashcards
0
Q
During electrolysis where does oxidation occur?
A
At the negative electrode
1
Q
What is electrolysis used for?
A
Separating ions in a solution
2
Q
During electrolysis where does reduction occur?
A
At the positive electrode
3
Q
What happens in the process of electrolysis?
A
Positive charged ions move to the negative electrode and recieve ions. Negative ions move to positive electrode and lose electrons
4
Q
Explain the electrolysis of aluminium
A
Aluminium forms at negative electrode and sinks to the bottom. Oxygen forms at positive electrode which reacts with the carbon and forms carbon dioxide
5
Q
What type of ions do aluminium and oxygen form?
A
Aluminium forms positive ions
Oxygen forms negative ions
