A-LevelChemistryCarbonyl compoundsMay/June 2025Paper 1 Q311 Mark
Butan-2-one reacts with alkaline I2(aq). An excess of dilute sulfuric acid is then added to the reaction mixture. The organic products of this reaction sequence are triiodomethane and product M. What is product M?
Aethanoate ion
Bethanoic acid
Cpropanoate ion
Dpropanoic acid
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The correct answer is D. 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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