A-LevelChemistryCarboxylic acids and derivatives9701/12 · Feb/Mar 2016 · Q271 Mark
The fragrance compounds of perfumes are often dissolved in solvent Y, which has a molecular formula C₇H₁₂O₄. It is made by reacting propane-1,2-diol with ethanoic acid in the presence of an acid catalyst. [Figure showing structure of propane-1,2-diol] What is the structure of solvent Y?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AStructural diagram A, an ether-acetal derivative.
BStructural diagram B, an ester with an ether group.
CStructural diagram C, 1,2-diacetoxypropane derived from HOCH₂CH(OH)CH₃.
DStructural diagram D, 1,2-diacetoxypropane derived from HOCH(CH₃)CH₂OH.
✓ Correct answer
D: Structural diagram D, 1,2-diacetoxypropane derived from HOCH(CH₃)CH₂OH.
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Carboxylic acids and derivatives and see which topics are most likely to come up next.
Sign up free →