A-LevelChemistryCarbonyl compoundsFeb/Mar 2021Paper 1 Q391 Mark
Two carbonyl compounds have the molecular formula C₃H₆O. Which reagents give different observations with these two compounds? 1 acidified aqueous potassium manganate(VII) 2 Fehling's reagent 3 alkaline aqueous iodine
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct Answer
The correct answer is A. 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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