Page 449 - SUBSEC October 2017_Neat
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(d) Assuming that the mixture contained methanol, methanal, propane and propanoic acid,
suggest the identities of A, B, C, D. Give reasons for your response.
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Reasons:
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[6 marks]
(e) Outline how a mixture of plant pigments could be separated by column chromatography.
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[5 marks]
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