A-LevelChemistryOrganic synthesis9701/12 · May/June 2010 · Q401 Mark

The diagram shows some laboratory apparatus. [Figure 40 - Laboratory apparatus for distillation] Which preparations could this apparatus be used for? 1 bromoethane, from ethanol, sodium bromide and concentrated sulfuric acid 2 ethanal, from ethanol, sodium dichromate(VI) and sulfuric acid 3 1,2-dibromoethane, from bromine and ethene

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A1, 2 and 3 are correct

B1 and 2 only are correct

C2 and 3 only are correct

D1 only is correct

✓ Correct answer

B: 1 and 2 only are correct

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, May/June 2010 Paper 1 Variant 2, question 40.

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