A) MgO
B) CaO
C) SrO
D) BaO
Correct Answer: A
Solution :
Lattice energy \[\propto \] charge of ion \[\propto \frac{1}{size\text{ }of\text{ }ion}\]On moving downward, the size of alkaline earth metals increases due to increase in number of shells. Thus, Mg has the smallest size. Hence, lattice energy is highest for MgO.You need to login to perform this action.
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