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IB Chemistry SL 3.2.5 IUPAC nomenclature Question Bank

Practise IB Chemistry SL 3.2.5 by applying IUPAC rules to name organic structures and draw structures from names.

Syllabus
First assessment 2025
Course
Chemistry SL
Level
SL

Exam points

  • Choose the longest chain and number it correctly when naming an organic compound.
  • Apply suffixes, prefixes, locants and functional-group priority in a preferred IUPAC name.
  • Draw a full structural formula from an IUPAC name and check the connectivity.

3.2.5—IUPAC nomenclature 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 3.2.5—IUPAC nomenclature question 1 — IB Chemistry SL

Applying IUPAC rules, state the name of A.

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