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Thermodynamics (A-level only)

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Question 20

Lattice enthalpy values can be obtained from Born–Haber cycles and by calculations based on a perfect ionic model.

Which compound shows the least percentage difference between these two values?

A

CsF\text{CsF}CsF

B

CsI\text{CsI}CsI

C

LiF\text{LiF}LiF

D

LiI\text{LiI}LiI

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.

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