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Pearson Edexcel IAL Chemistry 4.4 Homologous series & functional groups

Practise recognising homologous series and naming functional groups from formulae, structures and reaction sequences.

Syllabus
First assessment 2019
Course
Chemistry YCH11
Level
AS

Exam points

  • explain homologous-series membership using functional group, general formula or similar reactions
  • predict a molecular formula in a series by applying the repeated CH2 difference

4.4—The concepts of homologous series and functional group question 1

[Maximum number: 3]

This question is about the hormone testosterone, the structure of which is shown.

Functional group 1 Functional group 2

Functional group 1 Functional group 2

Give the name of each of the three circled functional groups.

Functional group 1
Functional group 2
Functional group 3

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