11. Bonding & Molecular Structure

Lattice Energy

Multiple Choice
The lattice energy of MgCl_2 is the energy change associated with which one of the following processes?
Multiple Choice
The solubilities of CaCrO₄ and PbCrO₄ in water at 25°C are approximately 0.111 g/L and 0.0905 g/L in H₂O respectively. Based on this information, which compound do you think has the smaller lattice energy?
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Multiple Choice
Which of the following reactions has ΔH_rxn = ΔH_lattice?
Open Question
Which of the following trends in lattice energy is due to differences in ionic radii?
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Multiple Choice
Which of the following reactions is associated with the lattice energy (ΔH_{latt}) of Li_2O?
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Multiple Choice
Which of the following should have the smallest magnitude for the lattice energy?
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Multiple Choice
Why do ionic compounds generally have high melting points?
Multiple Choice
Which of the following ionic solids would have the largest lattice energy?
Open Question
MX(s) + crystal lattice energy → M⁺(g) + X^- (g) is the reaction for crystal lattice energy.
Multiple Choice
For the species MgO and MgCl2, which of the following correctly places them in increasing order of their lattice energy (ΔH_lattice)?
Multiple Choice
The energy for the following reaction was measured to be -977.2 kJ/mol: Ba(g) + O(g) → BaO(s). Using this fact and data in the table below, calculate the lattice energy (in kJ/mol) for BaO(s).
Multiple Choice
Which of the following should have the largest magnitude for the lattice energy?
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Open Question
Rank the following ionic compounds by lattice energy.
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