Lattice energy of an ionic crystal is the enthalpy of:
Correct answer: D. Formation
- A. Combustion
- B. Dissociation
- C. Dissolution
- D. Formation
Explanation
The lattice energy of an ionic crystal is the enthalpy of formation.In the context of ionic compounds, the lattice energy is the enthalpy change associated with the formation of one mole of the ionic compound from its constituent ions in the gaseous state. It represents the energy released when gaseous ions come together to form a solid crystal lattice.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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