Skip to content

Course home

Sign up

Thermodynamics (A-level only)

EasyMediumHard
12345678910111213141516171819202122232425
Question 6

The lattice enthalpy of an ionic compound can be determined experimentally using a Born–Haber cycle, or calculated theoretically using a perfect ionic model.

Which of the following metal halides is expected to show the greatest percentage difference between its experimental and theoretical lattice enthalpy values?

A

MgCl2\text{MgCl}_2MgCl2​

B

BaI2\text{BaI}_2BaI2​

C

MgI2\text{MgI}_2MgI2​

D

BaCl2\text{BaCl}_2BaCl2​

Markscheme

Thermodynamics (A-level only) Questions

  1. A Level
  2. /Chemistry
  3. /Thermodynamics (A-level only)

27 exam-style questions on AQA A Level Chemistry Thermodynamics (A-level only), covering Born–Haber cycles (A-level only) and Gibbs free-energy change, $\Delta G$ , and entropy change, $\Delta S$ (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank