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forsale [732]
2 years ago
6

Would you expect salts like NaCl, which have singly-charged ions, to have larger or smaller lattice energies compared to salts l

ike CaO which are composed of doubly-charged ions?
Chemistry
1 answer:
IRINA_888 [86]2 years ago
7 0

Answer:

NaCl has a smaller lattice energy compared to CaO

Explanation:

We have remember that lattice energy increases as the size of the ions in the ionic solid decreases. According to Oxford dictionary; lattice energy is "a measure of the energy contained in the crystal lattice of a compound, equal to the energy that would be released if the component ions were brought together from infinity."

We know that the larger the magnitude of charge on a cation the smaller in size the cation is and the size of anions increase from left to right in the periodic table. Hence Ca^2+<Na^+ and O^2- < Cl^-. Therefore the lattice energy of CaO is greater than that of NaCl.

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