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CAIE A-Level Chemistry AS 15.1.3 Nucleophilic Substitution Questions

Practise CAIE 9701 halogenoalkane substitution with hydroxide, cyanide, ammonia and silver-nitrate tests, including conditions and mechanisms.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • use aqueous hydroxide to hydrolyse a halogenoalkane to an alcohol and ethanolic cyanide to form a nitrile
  • use excess ethanolic ammonia under pressure to form an amine and identify the ammonium-halide coproduct
  • use warm aqueous silver nitrate in ethanol to identify halide ions from precipitate colour and solubility
  • describe nucleophilic substitution with correct attacking species, leaving group, charges and curly arrows

CAIE A-Level Chemistry AS 15.1.3 Nucleophilic Substitution Questions question 1

[Maximum number: 1]

Fig. 4.1 shows how propane, C3H8\mathrm{C}_{3} \mathrm{H}_{8}, can be converted to propanoic acid, CH3CH2COOH\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{COOH}.

Fig. 4.1

Fig. 4.1

State the reagent and solvent required for reaction 2 .

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