electrolysis Flashcards
1
Q
what is electrolysis?
A
the decomposition of an ionic compound (when in molten or in an aqueous solution) by the passage of an electric current
2
Q
what is the anode?
A
the positive electrode
3
Q
what is the cathode?
A
the negative electrode
4
Q
what is an electrolyte?
A
the molten or aqueous substance that undergoes electrolysis
5
Q
what are the types of electrodes?
A
- inert: electrodes that can’t break down
- active: electrodes that can break down
6
Q
examples of inert electrodes
A
platinum + graphite
7
Q
examples of active electrodes
A
copper
8
Q
what do hydrogen-oxygen fuel cells use
A
a hydrogen–oxygen fuel cell uses
hydrogen and oxygen to produce electricity
with water as the only chemical product
9
Q
A
9
Q
where does oxidation take p
A
10
Q
A
