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IB Chemistry SL 3.2.11 Reduction of unsaturated compounds Question Bank

Practise IB Chemistry SL 3.2.11 by applying reduction of unsaturated compounds to exam-style questions.

Syllabus
First assessment 2025
Course
Chemistry SL
Level
SL

Exam points

  • identify the relevant chemical structure, process or evidence
  • apply the correct chemical model or equation
  • evaluate the result using chemical reasoning and data

3.2.11—Reduction of unsaturated compounds 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 3.2.11—Reduction of unsaturated compounds question 1 — IB Chemistry SL

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

Figure for Question 3.2.11—Reduction of unsaturated compounds question 1 — IB Chemistry SL

State the conditions required for this reaction to occur.

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