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CAIE A-Level Chemistry A2 A Level Organic Chemistry Conventions and Functional Group Reference Questions

Practise recognising syllabus functional groups and applying displayed, skeletal and benzene-ring conventions.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • identify every functional group present in a displayed or skeletal structure without naming unrelated fragments
  • classify secondary or tertiary amines and primary, secondary or tertiary amides from nitrogen connectivity
  • distinguish arene, halogenoarene and phenol by whether the substituent is attached directly to the benzene ring

Covered syllabus points

Reference—A Level organic functional groupsReference—Benzene ring representation convention

Question 1

[Maximum number: 1]

Procaine is used as an anaesthetic in medicine. It can be synthesised from methylbenzene in five steps as shown in Fig. 7.1.

Fig. 7.1

Fig. 7.1

Name all the functional groups present in procaine.

Question 2

[Maximum number: 2]

The structure of compound V is shown.

V

Figure for Question 2 — CAIE A-Level Chemistry A2

Name all the functional groups in V.

Question 3

[Maximum number: 1]

Name the functional groups, in addition to the benzene ring, present in a phenolphthalein molecule.

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