Published by:
CGP EDU Academic Team
Published on: August 12, 2026
is an ionic compound, not a covalent compound due to
A
High ionization energy of calcium
B
High electron affinity of oxygen
C
High lattice energy of 
and 
and D
High ionization energy and low electron affinity of calcium and oxygen, respectively
Text Solution
Verified by ExpertsThe correct answer is:
C
High lattice enthalpy of 
and 
favours formation of 
as an ionic compound.
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