A-LevelChemistryOrganic synthesisFeb/Mar 2024Paper 1 Q381 Mark
Hydroxyethanal, HOCH₂CHO, is heated under reflux with an excess of acidified K₂Cr₂O₇ until no further oxidation takes place. What is the skeletal formula of the organic product?
A[skeletal formula of HOOC-COOH]
B[skeletal formula of HOCH₂COOH]
C[skeletal formula of OHC-COOH]
D[skeletal formula of CH₃CH₂COOH]
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of organic synthesis 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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