Question:
The highest lattice energy corresponds to
The highest lattice energy corresponds to
Updated On: Jun 14, 2022
- MgO
- CaO
- SrO
- BaO
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The Correct Option is A
Solution and Explanation
Lattice energy $\propto$ charge of ion $\propto \frac{1}{\text { size of ion }}$
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 $MgO$.
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 $MgO$.
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