A-LevelChemistryCarboxylic acids and derivatives9701/12 · May/June 2015 · Q281 Mark
Lactic acid occurs naturally, for example in sour milk. [Figure] What is a property of lactic acid?
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.
AIt decolourises aqueous bromine rapidly.
BIt is insoluble in water.
CIt reduces Fehling's reagent.
DTwo molecules react with each other in the presence of a strong acid.
✓ Correct answer
D: Two molecules react with each other in the presence of a strong acid.
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