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which of the following two compounds would you expect to have a higher lattice energy value-KCL or NaCl?

Asked by rajenderdagar123 24th December 2016, 9:42 PM
Answered by Expert
Answer:

Lattice energy depends on the magnitude of the charges of the ions and the distance between them. 

Comparing NaCl and KCl, we see that the lattice energies are:  788, 699 kJ/mol, respectively. 

Since the anion is the same for all three salts and the cations are all +1, the only difference between these has to be in the distance between the ions.

 

Answered by Expert 24th December 2016, 9:52 PM
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