. Lattice energy of an ionic compound depends upon

A: charge on the ion and size of the ion

B: packing of ions only

C: size of the ion only

D: charge on the ion only

Explanation:

Lattice energy: it is the energy required to completely separate one mole of a solid ionic compound into its gaseous constituent ions.

Lattice energy charge on the ionssize of the ions

I.e. lattice energy is directly proportional to charge of the ions and is inversely proportional to the size of the ions.

Final Answer:

Hence the correct answer is A i.e. charge on the ion and size of the ion.

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