A-LevelChemistryCarboxylic acids and derivatives9701/12 · Oct/Nov 2010 · Q241 Mark
Esters are frequently used as solvents and as flavouring agents in fruit drinks and confectionery. An ester C₈H₁₂Br₂O₄ can be prepared in low yield by the reaction shown. CH₃C(Br)(CH₂Br)CO₂H + (CH₃)₂C(OH)CO₂H = C₈H₁₂Br₂O₄ + H₂O What is the structural formula of the ester C₈H₁₂Br₂O₄?
ACH₃C(Br)(CH₂Br)CO₂C(CH₃)₂CO₂H
BCH₃C(Br)(CH₂Br)CO₂C(OH)(CH₃)CO₂CH₃
CCH₃C(Br)(CH₃)CO₂C(CH₃)₂CO₂CH₂Br
D(CH₃)₂C(Br)C(CO₂H)(CH₂Br)CO₂CH₃
✓ Correct answer
A: CH₃C(Br)(CH₂Br)CO₂C(CH₃)₂CO₂H
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