10C electrolysis Flashcards
1
Q
What is electrolysis
A
Breaking down of a substance using electricity
2
Q
Why can’t solid ionic compounds conduct?
A
Ions are fixed and unable to move and carry their charge
3
Q
What do you have to do to an ionic compound to make it conduct?
A
Melt it or dissolve in water
4
Q
Positive ions move towards
A
The negative electrode
5
Q
What is an electrolyte
A
The compound that is broken down by electrolysis. Either molten or aqueous solution.
6
Q
Negative ions move towards
A
The positive electrode
7
Q
What are electrodes made out of and why?
A
Graphite - unreactive and conduct electricity
8
Q
What state symbol is used for a molten ionic compound?
A
(l)
9
Q
What state symbol is used for an aqueous ionic solution?
A
(aq)
