IB Chemistry HL · 2025

3.2 Functional groups: classification of organic compounds

59 past paper questions from 11 papers across 3 exam sessions. See what repeats, then practise the same skills with AI marking.

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HL archive · 2025 to 2026

3.2 Functional groups: classification of organic compounds

Latest exam session: May 2026

questions
59
questions
papers
11
papers
exam sessions
3
exam sessions
micro-topics
6

Micro-topics in 3.2 Functional groups: classification of organic compounds

In syllabus order. The ring is the share of papers each appears in.

Exam pattern

How often each micro-topic has been examined, year by year. Each label is explained under the grid.

Does it repeat?

Top 4 of 6 micro-topics for the next sitting. Numbers are questions per year.

fewermore

Micro-topic20252026
3.2.3Functional groups and nomenclatureFrequently tested
19Functional groups and nomenclature, 2025: 19 questions2Functional groups and nomenclature, 2026: 2 questions
3.2.4Spectroscopic identification of organic compoundsFrequently tested
15Spectroscopic identification of organic compounds, 2025: 15 questions1Spectroscopic identification of organic compounds, 2026: 1 question
3.2.5Isomerism: structural and stereoisomers (HL)Frequently tested
10Isomerism: structural and stereoisomers (HL), 2025: 10 questions2Isomerism: structural and stereoisomers (HL), 2026: 2 questions
3.2.1Organic compounds and homologous seriesFrequently tested
5Organic compounds and homologous series, 2025: 5 questions·Organic compounds and homologous series, 2026: 0 questions

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  • Frequently testedin at least a quarter of all papers, and still appearing in the last two years

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Questions on 3.2 Functional groups: classification of organic compounds, by exam session

Which papers asked about 3.2 Functional groups: classification of organic compounds, and which question numbers. Open a paper to see them highlighted.

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Frequently asked questions

Short answers about this page.

Which Chemistry HL exam sessions are covered for 3.2 Functional groups: classification of organic compounds?

3 exam sessions from 2025 to 2026, the latest May 2026. Every Paper 1 and 2 in every timezone is read and classified in full, which gives 11 papers in this archive.

Which 3.2 Functional groups: classification of organic compounds topic comes up most?

Functional groups and nomenclature (3.2.3): in 100% of papers, last seen May 26 P1 TZA. Usually "identify", worth about 2.5 marks in a paper that includes it.

Can I see the original question and mark scheme?

No. The wording belongs to the IB. You get the citation, the marks, the command term and the skill tested, plus our own matched practice questions with worked answers and AI marking.

What do "banker", "due" and "rising" mean?

Banker: examined in at least one sitting in four and still appearing. Due: regular before, but absent for the last two exam sessions. Rising: clearly more common in the last two years. Our classification of real papers, not an IB statistic.

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