Which one of the following has the largest lattice energy nabr?
NaF
Which of the following compounds will have the largest lattice energy?
AlBr3 have the largest lattice energy. Because of the greater charge on Al3+ ions and Br− as lattice energy is directly proportional to the charges of the combing atoms.
Why does mgcl2 have high lattice energy?
Magnesium ions are smaller than sodium ions, and oxide ions are smaller thanchloride ions. That means that the distance between the positive and negative ions is quite a lot less in MgO than in NaCl, and so the forces of attraction will be greater in MgO.
What is the lattice energy of K2S?
K2S: sulfide: 1979 Draw the Lewis structure for Li2S, Rb2S, and K2S. Doc Brown’s Chemistry Chemical Bonding GCSE/IGCSE/O/A Level Revision Notes. Therefore, the lattice energy (the amount of energy required to completely separate one mole of a solid ionic compound into its gaseous ions) = + 787 kJ.
What is the lattice energy of PbO?
All values of lattice energies are quoted in kJ mol-1….Lead: lattice energies.
| Compound | Thermochemical cycle / kJ mol-1 | Calculated / kJ mol-1 |
|---|---|---|
| PbO | (no value) | 3520 |
| Pb2O3 | (no value) | 14841 |
| PbO2 | (no value) | 11217 |
What is the lattice energy of bai2?
Crystal lattice energy for selected ion pairs (kJ/mol)#
| Cation / Anion | F- | O2- |
|---|---|---|
| Mg2+ | 2920 | 3950 |
| Ca2+ | 2620 | 3530 |
| Sr2+ | 2460 | 3340 |
| Ba2+ | 2315 | 3140 |
How do you find the lattice energy of AlCl3?
Lattice energy = 5137 KJ/mol. Δ H hydration Al3+ = – 4665 KJ/mol. Δ H hydration Cl− = – 381 KJ/mol.
How do you find the lattice energy of K2O?
Given the following thermodynamic data, calculate the lattice energy of K2O: ΔH°f[K2O(s)] = -362 kJ/mol ΔH°sublimation [K] = 89 kJ/mol ΔH°f[O(g)] = 249 kJ/mol IE1 (K) = 419 kJ/mol EA1 (O) = -141 kJ/mol EA2 (O) = 844 kJ/mol. We’re being asked to calculate the lattice energy of K2O from the given thermodynamic data.