The Born-Haber cycle for KCl is evaluated with the following data: _fH^- for KCl = –436.7 kJ mol^ -1 , _ sub...

Question

The Born-Haber cycle for KCl is evaluated with the following data: _fH^- for KCl = –436.7 kJ mol^ -1 , _ sub H^- for K = 89.2 kJ mol^ -1 , _ ionization H^- for K = 419.0 kJ mol^ -1 ; _ electron gain H^- for Cl(g) = –348.6 kJ mol^ -1 ; _ bond H^- for Cl_2 = 243.0 kJ mol^ -1 The magnitude of lattice enthalpy of KCl in kJ mol^ -1 is _______ (Nearest integer)

Accepted Answer

718

JEE Main 2021 Chemistry question

Solution