CaO and NaCl have similar crystal structures and approximately same ionic radii. If U is the lattice energy of NaCl, the lattice energy of CaO is nearly
A. 0.5𝑈
B. 𝑈
C. 2𝑈
D. 4𝑈
Answer:D
CaO and NaCl have similar crystal structures and approximately same ionic radii. If U is the lattice energy of NaCl, the lattice energy of CaO is nearly
A. 0.5𝑈 B. 𝑈 C. 2𝑈 D. 4𝑈