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CAIE A-Level Chemistry AS 15.1.1 Preparation of Halogenoalkanes Questions

Practise CAIE 9701 routes for preparing halogenoalkanes from alkanes, alkenes and alcohols with the correct reagents and conditions.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • halogenate alkanes with chlorine or bromine under ultraviolet light and recognise product mixtures
  • add halogen or hydrogen halide to an alkene to form a halogenoalkane
  • convert an alcohol to a halogenoalkane using HX, KCl/acid, PCl3, PCl5 or SOCl2 and state conditions

CAIE A-Level Chemistry AS 15.1.1 Preparation of Halogenoalkanes Questions question 1

[Maximum number: 1]

Allyl chloride is an important chemical used in the manufacture of plastics, pharmaceuticals and pesticides.

allyl chloride

allyl chloride

Allyl chloride can be produced by many different methods. The most common method is chlorination of propene which proceeds via a free-radical substitution mechanism.

Figure for Question CAIE A-Level Chemistry AS 15.1.1 Preparation of Halogenoalkanes Questions question 1 — CAIE A-Level Chemistry AS

Allyl chloride can also be formed by the following substitution reaction.

Figure for Question CAIE A-Level Chemistry AS 15.1.1 Preparation of Halogenoalkanes Questions question 1 — CAIE A-Level Chemistry AS

Suggest the identity of reagent X.

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