A) U/2
B) U
C) 4C
D) 2 U
Correct Answer: C
Solution :
[c] \[Lattice\text{ }energy=\frac{Product\text{ }of\text{ }charges}{interionic\text{ }distance}\] In \[NaCl\]the product of charges\[=1\times 1\]; In CaO product of charges \[=2\times 2=4\] while the inter ionic distance is almost same in both. Thus lattice energy of CaO is almost four times the lattice energy of\[NaCl\].You need to login to perform this action.
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