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CAIE A-Level Chemistry 29.2 Characteristic Organic Reactions

Practise classifying electrophilic substitution and addition–elimination mechanisms from complete reaction evidence.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • name the mechanism from the bond changes and sequence rather than from the reagent or product alone
  • form the required electrophile with a Lewis acid and retain the corresponding negatively charged species
  • use curly arrows from an electron pair or bond and include charges, intermediates and regenerated species

Covered syllabus points

29.2.1—Terminology associated with types

29.2 Characteristic organic reactions question 1

[Maximum number: 1]

Cumene is an aromatic hydrocarbon used in the synthesis of other useful chemicals.

cumene

cumene

Cumene can be synthesised via a Friedel-Crafts alkylation reaction, as shown in Fig. 5.2.

Fig. 5.2

Fig. 5.2

Name the mechanism involved in the Friedel-Crafts alkylation shown in Fig. 5.2.

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