O-LevelChemistryBonding & Structure5070/11 · Oct/Nov 2020 · Q31 Mark

Some substances may be separated using paper chromatography. The diagram shows the results of running two mixtures in a suitable solvent. Which spot has an R₁ value of 0.37?

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.

ASpot A

BSpot B

CSpot C

DSpot D

✓ Correct answer

B: Spot B

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Topic: Bonding & Structure, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2020 Paper 1 Variant 1, question 3.

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