The Process of Electrolysis (AQA GCSE Chemistry): Flashcards
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Definition of electrolysis
Definition of electrolysis
Using electric current to separate ionic compound into ions
Meaning of term 'electrolysis'
Meaning of term 'electrolysis'
Splitting using electricity
States required for electrolysis to occur
States required for electrolysis to occur
Molten or dissolved in solution
Why solid ionic compounds cannot undergo electrolysis
Why solid ionic compounds cannot undergo electrolysis
Ions fixed in crystal lattice, cannot move freely
Definition of electrolyte
Definition of electrolyte
Ionic compound in molten/solution form with free-moving ions
Identity of the anode
Identity of the anode
Positive electrode
Identity of the cathode
Identity of the cathode
Negative electrode
Material typically used for electrodes
Material typically used for electrodes
Inert materials (don't react with electrolyte)
Ions attracted to cathode
Ions attracted to cathode
Positive ions
Process occurring at cathode
Process occurring at cathode
Reduction (ions gain electrons)
Ions attracted to anode
Ions attracted to anode
Negative ions
Process occurring at anode
Process occurring at anode
Oxidation (ions lose electrons)
Path of electron flow in electrolysis
Path of electron flow in electrolysis
From anode to cathode through external circuit
Forms of products discharged in electrolysis
Forms of products discharged in electrolysis
Solid sediments or gases