Question detail
For Electrolysis of molten ionic compounds, which acid-base focus answer best supports this Unit 4.4 objective: Explain why molten ionic compounds conduct electricity?
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. To the cathode. - correct acid-base focus for molten ionic compound
- B. Wrong acid-base focus: confuses molten ionic compound with a nearby Unit 4.4 chemical change idea
- C. Wrong particle check: uses the wrong ion, electrode, acid-base term, or product for Electrolysis of molten ionic compounds
- D. Wrong reaction link: does not support Explain why molten ionic compounds conduct electricity
Answer
The correct option is To the cathode. - correct acid-base focus for molten ionic compound.
Explanation
The correct option is To the cathode. - correct acid-base focus for molten ionic compound. To the cathode. - correct acid-base focus for molten ionic compound is correct because it directly supports the approved learning objective to explain why molten ionic compounds conduct electricity. This acid-base focus variant asks students to separate molten ionic compound from similar Unit 4.4 chemical-change ideas. The reasoning belongs to Electrolysis of molten ionic compounds within Electrolysis, so it should not be confused with nearby ideas about acids, alkalis, bases, oxidation, reduction, displacement, reactivity, electrolysis, electrodes, ions, pH, or salt preparation unless those are named in the objective. Use the focus term molten ionic compound to keep the answer aligned with AQA GCSE Chemistry 8462 Unit 4.4 Chemical changes. Keep acid, alkali and base distinct; keep oxidation and reduction distinct; do not mix reduction with displacement; keep electrolysis separate from electroplating; distinguish anode from cathode, positive ions from negative ions, oxidation state from ionic charge, and strong acid from concentrated acid. The other options are weaker because they either use the wrong reaction type, wrong ion, wrong electrode, wrong acid-base distinction, vague wording, or the wrong chemical-change context.
Common mistake
Common Misunderstanding of Conductivity
Students often think that molten ionic compounds conduct electricity because they are hot, rather than understanding that it is due to the presence of free-moving ions.
Emphasize that molten ionic compounds conduct electricity because the ionic bonds break, allowing ions to move freely and carry charge.
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