O-LevelChemistryOrganic Chemistry5070/11 · May/June 2018 · Q381 Mark
A carboxylic acid of molecular formula C₄H₈O₂ reacts with an alcohol of molecular formula C₃H₈O to form an ester. What could be the formula of the ester formed?
ACH₃–CH₂–C=O
|
O–CH₂–CH₂–CH₂–CH₃
BCH₃–CH₂–CH₂–C=O
|
O–CH₂–CH₂–CH₃
CCH₃–CH₂–CH₂–C=O
|
O–CH₂–CH₂–CH₂–CH₃
DCH₃–CH₂–C=O
|
O–CH₂–CH₂–CH₃
✓ Correct answer
B: CH₃–CH₂–CH₂–C=O | O–CH₂–CH₂–CH₃
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