A-LevelChemistryAnalytical techniques9701/12 · Oct/Nov 2010 · Q371 Mark
The diagram shows a compound present in smoke from burning garden waste. [Figure showing C3H4O structure] Which reagents would undergo a colour change on reaction with this compound? 1 aqueous bromine 2 Fehling's reagent 3 warm acidified K₂Cr₂O₇
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A1, 2 and 3 are correct
B1 and 2 only are correct
C2 and 3 only are correct
D1 only is correct
✓ Correct answer
A: 1, 2 and 3 are correct
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