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Identify the type of energy change (ioni...

Identify the type of energy change (ionization energy, energy of atomization, etc) show by each of these steps in the Born Haber cycle for potassium chloride. State with a reason whether the step is exothermic or endothermic.
a ) `1//2 CI_(2)(g) rarr CI(g) " " b) CI(g) rarr CI^(-)(g) " " c) K(s) rarr K (g)`
`d) K(g) rarr K^(+) (g) + e^(-) " " e) K (s) +1//2 CI_(2) (g) rarr KCI (s) " " f) KCI (s) rarr K^(+) (g) + CI^(-) (g)`

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(a) half of bond enthalpy (b) First electron affinity
(c) Enthalpy of atomization (d) First ionization energy
( e) Enthalpy of formation (f) Lattice enthalpy - Endothermic
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