A-LevelChemistryHydrocarbons9701/12 · Oct/Nov 2009 · Q241 Mark

Bromine reacts with ethene to form 1,2-dibromoethane. What is the correct description of the organic intermediate in this reaction?

AIt has a negative charge.

BIt is a free radical.

CIt is a nucleophile.

DIt is an electrophile.

✓ Correct answer

D: It is an electrophile.

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Topic: Hydrocarbons, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2009 Paper 1 Variant 2, question 24.

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