Which is not used in calculating the lattice energy of crystalline solids?
Correct answer: A. Haber process
- A. Haber process
- B. Born Haber cycle
- C. Hess's law
- D. Enthalpy changes
Explanation
The answer is Haber process because it is the process of formation of ammonia from nitrogen and hydrogen under high pressure.
This question appeared on the ETEA MDCAT 2014 paper, which you can sit online with every answer explained.
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About Lattice Energy
Lattice energy describes the energy released when gaseous ions form one mole of an ionic solid, or the energy required to separate that solid into gaseous ions, depending on the convention used. Its value depends mainly on ionic charge and radius and is calculated through Born-Haber cycles.
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