Chemical Effects Of Electric Current Flashcards
(15 cards)
What are the chemical effects of electric current?
The chemical effects of electric current are the changes that occur in a substance due to the passage of electricity through it.
What is electrolysis?
Electrolysis is the process by which electric current causes a chemical change, typically the decomposition of a compound.
In electrolysis, what are the two electrodes called?
The two electrodes are called the anode and the cathode.
What occurs at the anode during electrolysis?
Oxidation occurs at the anode.
What occurs at the cathode during electrolysis?
Reduction occurs at the cathode.
Fill in the blank: The process of electrolysis requires a _______.
[conducting solution]
True or False: Electrolysis can be used to extract metals from their ores.
True
What is one application of electrolysis in industry?
Electrolysis is used in electroplating.
Name one product formed during the electrolysis of water.
Hydrogen and oxygen gases are formed.
What is the effect of electrolysis on salts in solution?
Electrolysis can separate salts into their component ions.
Fill in the blank: The process of electrolysis involves the movement of _______ toward the electrodes.
[ions]
What role does a power source play in electrolysis?
A power source provides the necessary electric current for the electrolysis process.
What happens to the ions in a solution during electrolysis?
Ions migrate towards electrodes of opposite charge.
True or False: Electrolytes are necessary for electrolysis to occur.
True
What type of reaction is electrolysis considered?
Electrolysis is considered an endothermic reaction.
