Chapter 6A - Electrolysis and Electrolytic Reactions
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Define ANODE
Electrode where oxidation takes place
Define Aqueous Electrolyte
• Solution containing an Ionic compound dissolved in water • ions are free to move.
Define Cathode
Electrode where reduction takes place
Define Molten Electrolyte
• Ionic compound is melted • Ions are free to move in liquid state
What is Electrolysis?
Process of passing an electrical current through an electrolyte causing an electrolytic reaction to occur in an electrolytic cell
What is an electrolytic reaction?
A non-spontaneous redox reaction that requires an external power source to overcome the activation energy barrier.
What is the role of an external power source?
• forcefully removes electrons to oxidise a species • forcefully pushes electrons to reduce a species
What is the energy conversion taking place in an electrolytic cell?
Electrical energy converted to chemical energy