A-LevelChemistryHydroxy compoundsFeb/Mar 2019Paper 1 Q251 Mark
Which product is formed when 3-methylpentane-1,3,4-triol is heated under reflux with an excess of acidified potassium dichromate(VI)?
AHO₂CCH₂C(CH₃)(OH)COCH₃
BHO₂CCH₂COC(OH)(CH₃)₂
COHCCH₂C(CH₃)(OH)COCH₃
DHO₂CCH₂CO(CH₃)COCH₃
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of hydroxy 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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