Question detail
What happens to oxide ions at the anode during the electrolysis of aluminium oxide?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Electrolysis
Question
What happens to oxide ions at the anode during the electrolysis of aluminium oxide?
Answer
At the anode, oxide ions lose electrons to form oxygen gas. This process is known as oxidation.
Explanation
This answer is strong because it clearly describes the chemical process occurring at the anode, linking it to the concept of oxidation. The question tests the understanding of the electrolysis process and the behavior of ions at electrodes.
Common mistake
Confusing Oxide Ion Behavior
Students often state that oxide ions gain electrons at the anode instead of losing them.
Remember that oxidation occurs at the anode, where negative ions like oxide lose electrons to form oxygen.
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