Skip to main content
A-LevelChemistryEquilibria9701/12 · May/June 2014 · Q71 Mark

The formation of hydrogen and ethyne, C2H2, from methane reaches dynamic equilibrium. 2CH4(g) ⇌ 3H2(g) + C2H2(g) What are the units of Kp?

Amol dm⁻³
Bmol² dm⁻⁶
Cmol³ dm⁻⁹
Dmol⁴ dm⁻¹²

✓ Correct answer

B: mol² dm⁻⁶

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Equilibria and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Equilibria, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, May/June 2014 Paper 1 Variant 2, question 7.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Chemistry questions

© 2026 Oracle Prep