Question

Heat of sublimation of Na = x J
Ionization energy of Na= y J
Bond dissociation energy of Cl, = a J
e gain enthalpy of Cl = - b J
Enthalpy of formation of NaCl = -cJ
Then what will be lattice energy of NaCl(s)
is​

Answer 1

Answer:

you have to use Born Haber cycle for finding the answer as shown below

hope that it helps you!!!