Multiple Choice
In a chemical equilibrium involving the reaction Q ⇌ S, which direction will the reaction favor if both Q and S are present in high concentrations?
6. Chemical Quantities & Aqueous Reactions
Redox Reactions
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In the process of electrolysis, where does the splitting of water and the generation of oxygen occur?
A
At the cathode
B
In the electrolyte solution
C
In the external circuit
D
At the anode
Verified step by step guidance1
Understand that electrolysis is a process that uses electrical energy to drive a non-spontaneous chemical reaction.
Recognize that in the electrolysis of water, water molecules are split into oxygen and hydrogen gases.
Identify the two electrodes involved in electrolysis: the anode and the cathode.
Recall that oxidation occurs at the anode, which is where the loss of electrons happens, leading to the generation of oxygen gas from water.
Conclude that the splitting of water and the generation of oxygen occur at the anode during electrolysis.
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