A-LevelChemistryCarboxylic acids and derivativesMay/June 2014Paper 1 Q281 Mark
The diagram shows the structure of ethanedioic acid. [Figure 28.1] Ethanedioic acid reacts with ethanol in the presence of a few drops of concentrated sulfuric acid to form a diester. The molecular formula of the diester is C6H10O4. What is the structural formula of the diester?
ACH3CH2CO2CO2CH2CH3
BCH3CH2OCOCO2CH2CH3
CCH3CH2O2CO2CCH2CH3
DCH3CO2CH2CH2OCOCH3
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The correct answer is B. This question tests the candidate's understanding of carboxylic acids and derivatives within the Chemistrysyllabus. The examiner's mark scheme requires...
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