A-LevelChemistryHalogen derivatives9701/12 · Feb/Mar 2021 · Q371 Mark

In which reactions is the major product formed by a nucleophilic substitution reaction? 1 bromoethane + potassium cyanide in ethanol 2 bromoethane + ammonia in ethanol under pressure 3 bromoethane + hot concentrated sodium hydroxide in ethanol

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: Halogen derivatives, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2021 Paper 1 Variant 2, question 37.

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