CHEM 1000 Lecture Notes - Sodium Chloride
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Related Questions
Examine the trends in lattice energy in Table 12.1. The value of the lattice energy becomes somewhat more negative on going from NaI to NaBr to NaCl, and all are in the range from -700 to -800 kJ/mol. What is one reason why that the lattice energy of NaF which is -926 kJ/mol is much more negative than those of the other sodium halides?
Table 12.1
Lattice Energies of Some Ionic Compounds
Compound |
(kJ/mol)Β |
LiF | -1037 |
LiCl | -852 |
LiBr | -815 |
LiI | -761 |
NaF | -926 |
NaCl | -786 |
NaBr | -752 |
NaI | -702 |
KF | -821 |
KCl | -717 |
KBr | -689 |
KI | -649 |