Suggest4 marksStandard
A student has two colourless liquids, propanal and propanone, in unlabelled bottles. Suggest how the student could use Fehling's reagent to distinguish between them, and state the observation that would identify each compound.
CAIE A Level Chemistry 9701 · Carbonyl compounds
Carbonyl compounds: suggest question
How this question is marked
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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