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NotesChemistryTopic 3.2
Unit 3 · Structure 3: Classification of matter · Topic 3.2

IB Chemistry — Functional groups: classification of organic compounds

Topic 3.2 of IB Chemistry covers Functional groups: classification of organic compounds, which is part of Unit 3: Structure 3: Classification of matter. Students explore key concepts including Organic compounds and homologous series, Representing organic molecules, Functional groups and nomenclature, Spectroscopic identification of organic compounds. A strong understanding of functional groups: classification of organic compounds is essential for IB Chemistry exams and builds the foundation for connected topics across the syllabus.

Exam technique guidePractice questions

What you'll learn in Topic 3.2

  • 3.2.1 Organic compounds and homologous series
  • 3.2.2 Representing organic molecules
  • 3.2.3 Functional groups and nomenclature
  • 3.2.4 Spectroscopic identification of organic compounds
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 3.2 Functional groups: classification of organic compounds

3.2.1

Organic compounds and homologous series

Notes
3.2.2

Representing organic molecules

Notes
3.2.3

Functional groups and nomenclature

Notes
3.2.4

Spectroscopic identification of organic compounds

Notes

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Topic 3.2 Functional groups: classification of organic compounds forms a core part of Unit 3: Structure 3: Classification of matter in IB Chemistry. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

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