A-LevelChemistryOrganic synthesis9701/12 · Oct/Nov 2021 · Q241 Mark

Butanoic acid can be made from 1-bromopropane in two stages. stage 1 CH3CH2CH2Br → CH3CH2CH2CN stage 2 CH3CH2CH2CN → CH3CH2CH2CO2H Which types of reaction are stage 1 and stage 2?

Aelectrophilic addition (stage 1), hydrolysis (stage 2)

Belectrophilic addition (stage 1), oxidation (stage 2)

Cnucleophilic substitution (stage 1), hydrolysis (stage 2)

Dnucleophilic substitution (stage 1), oxidation (stage 2)

✓ Correct answer

C: nucleophilic substitution (stage 1), hydrolysis (stage 2)

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Topic: Organic synthesis, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2021 Paper 1 Variant 2, question 24.

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