A-LevelChemistryCarbonyl compoundsOct/Nov 2013Paper 1 Q201 Mark
A new industrial preparation of ethyl ethanoate has been developed using cheap sources of ethanol. [Reaction scheme: CH3CH2OH → CH3CHO → CH3CH(OH)OCH2CH3 → CH3CO2CH2CH3, with various Cu catalysts and -2[H] noted for steps] Which process is involved at some stage in this reaction sequence?
Aelectrophilic addition
Bnucleophilic addition
Cnucleophilic substitution
Dreduction
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of carbonyl compounds within the Chemistrysyllabus. The examiner's mark scheme requires...
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Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
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