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NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE
1
Medium
1 of 1
Application
+4 | -1
and have same crystal structure and approximately same ionic radii. If U is the lattice energy of , the approximate lattice energy of is
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Correct option: C
4U
Option C (4U) is correct because lattice energy is proportional to the product of the charges of the ions. CaO has charges of +2 and -2, while NaCl has charges of +1 and -1. Therefore, the lattice energy of CaO is approximately 4 times that of NaCl.