Question detail
What is the main product formed at the anode when oxide ions are electrolyzed?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Electrolysis
Question
- A. Hydrogen
- B. Oxygen
- C. Metal
- D. Salt
Answer
Oxygen
Explanation
When oxide ions are discharged at the anode during electrolysis, they lose electrons and form oxygen gas.
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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