Which of the following best describes lattice energy?
A) It is the enthalpy change that occurs when a solid ionic compound is transformed into gaseous ions.
B) It is the enthalpy change that occurs in covalent compounds when a given bond in a gaseous molecule is broken.
C) It is the enthalpy change that occurs when a specified amount of solute is dissolved in a given quantity of solvent.
D) It is the enthalpy change that occurs when 1 mol of a substance is melted.
E) It is the enthalpy change that occurs during a combustion reaction.

Question

Quizplus · Accepted Answer

Lattice energy is the energy released when gaseous ions come together to form a crystal lattice structure. It is measured as the enthalpy change in kJ/mol when one mole of an ionic compound is formed from its gaseous ions.

Which of the Following Best Describes Lattice Energy