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IB Chemistry SL 3.2.3 Homologous series Question Bank

Practise IB Chemistry SL 3.2.3 by recognising homologous series, general formulas and successive-member relationships.

Syllabus
First assessment 2025
Course
Chemistry SL
Level
SL

Exam points

  • Define a homologous series using common functional group and successive-member features.
  • Identify the homologous series from a molecular formula or displayed structure.
  • Deduce the formula of the next member and explain the fixed difference between members.

3.2.3—Homologous series question 1

[Maximum number: 1]

Alkenes, such as A (shown below), are important intermediates in the petrochemical industry because they undergo addition reactions to produce a wide variety of products, such as the conversion shown below.

Figure for Question 3.2.3—Homologous series question 1 — IB Chemistry SL

In the gas phase, A reacts with hydrogen to form D.

Figure for Question 3.2.3—Homologous series question 1 — IB Chemistry SL

State the homologous series to which D belongs.

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