A-LevelChemistryCarboxylic acids and derivatives9701/12 · May/June 2015 · Q401 Mark
Monopotassium citrate is used as an emulsifying agent in powdered milk and in powdered soups. It may be represented by the formula shown. CH₂CO₂H HO–C–CO₂⁻ K⁺ CH₂CO₂H monopotassium citrate Which statements about monopotassium citrate are correct? 1 It does not have a chiral carbon atom. 2 It can act as a dibasic acid. 3 It reacts with NaHCO₃ to give CO₂.
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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