Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Solid State – General · Exam: JAM 2001-2022 · Marks: 2 · Difficulty: Hard
The lattice energy of LiF calculated from Born-Lande equation $-1000 \mathrm{kJ} \mathrm{mol}^{-1}$. Assume that for both LiF and MgO the Madelung constants, interionic distances and Born exponents have the same value. The lattice energy of MgO in $\mathrm{kJ} \mathrm{mol}^{-1}$ is:
(a)-4000
(b)-2000
(c)2000
(d)4000
Answer
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