A Levels Chemistry (9701)•9701/13/O/N/19
Explanation
Not enough information Steps:
- The query provides no structures or descriptions for choices A, B, C, D.
- Concentrated sulfuric acid typically dehydrates alcohols or catalyzes ether/acetal formation, but product C4H10O2 (saturated diol or diether) requires specific starting compounds.
- Without options, cannot identify which yields only one such product via reaction like etherification or acetalization.
- Ambiguous query prevents solving the mechanism or selectivity.
Why B is correct:
- Not enough information.
Why the others are wrong:
- A: Not enough information.
- C: Not enough information.
- D: Not enough information.
Final answer: B
Topic: Hydroxy compounds
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