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Chromatogram and Solvent Front

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Chromatogram and Solvent Front

Question

The following diagram shows a paper chromatogram of substances A, B, C, and D which are coloured
Chemistry Question

(a) Indicate the solvent front on the chromatogram
(b) Which substance is pure?
(c) Substance E is a mixture of C and D. Indicate its chromatogram in the diagram

Answer

a)
Chemistry Question

- Solvent front should be slightly above the furthest pigment

b) C - It contains only one pigment
c) Check above diagram. E has both marking positions for substance C and D.


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