(i) What is lattice energy? (ii) Write down the Born-Haber cycle for the formation of CaCl_(2).

(i) What is lattice energy? (ii) Write down the Born-Haber cycle for

1.	(i) What is lattice energy? (ii) Write down the Born-Haber cycle for the formation of CaCl_(2).
Answer» Solution :(i) Lattice ENERGY is defined as the AMOUNT of energy required to completely separate one MOLE of a solid ionic COMPOUND into gaseous constituent. (ii) Born-Haber cycle for the formation of `CaCl_(2)`.