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IB Chemistry HL 2.1.5 Atom economy Question Bank

Practise IB Chemistry HL 2.1.5 by applying atom economy to exam-style questions.

Syllabus
First assessment 2025
Course
Chemistry HL
Level
HL

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

2.1.5—Atom economy question 1

[Maximum number: 1]

Phenylethene (styrene) is produced from ethylbenzene in a gas-phase equilibrium.

Figure for Question 2.1.5—Atom economy question 1 — IB Chemistry HL

Calculate the atom economy of the reaction.

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