Chemistry · May / June 2026 · Paper 12 · Question 38
5070Chromatography
The diagram represents a chromatogram of the colourless acids in a drink. The chromatogram has been treated with a locating agent. A table of $R_f$ values for the possible acids is given. Which acids are in the drink?
- Acitric acid, malic acid and lactic acid
- Bcitric acid, malic acid and succinic acid
- Cmalic acid, lactic acid and succinic acid
- Dtartaric acid, citric acid and malic acid
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Correct answer: B. citric acid, malic acid and succinic acid
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