CourseCourseConceptConceptDocsDocuments

CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions

Practise defining activation energy and interpreting reaction pathway diagrams, catalysts and temperature effects using CAIE 9701 AS questions.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • Define activation energy, Eₐ, and explain its role in reaction pathways and catalysis.

CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions question 1

[Maximum number: 1]

For a certain endothermic reaction, the activation energy is numerically equal to twice the enthalpy change of reaction.

Which reaction pathway diagram is correct for this reaction?

A
Figure for Question CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions question 1 — CAIE A-Level Chemistry AS — Option A
B
Figure for Question CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions question 1 — CAIE A-Level Chemistry AS — Option B
C
Figure for Question CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions question 1 — CAIE A-Level Chemistry AS — Option C
D
Figure for Question CAIE A-Level Chemistry AS 8.2.1 Activation Energy Ea Questions question 1 — CAIE A-Level Chemistry AS — Option D
All question bank results loaded