A-LevelChemistryOrganic synthesisMay/June 2022Paper 1 Q351 Mark
The skeletal formula of M is shown. [Figure showing skeletal formula of M, which is CH₃–CH(OH)–C(=O)–CH(OH)–CHO] M is reacted with an excess of LiAlH₄. Dilute acid is then added. What is the molecular formula of the final organic product?
AC₅H₆O₅
BC₅H₁₀O₄
CC₅H₁₀O₃
DC₅H₁₂O₅
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The correct answer is D. 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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