The Born-Haber cycle for KCl is evaluated with the following data : ƒH for KCl = – 436.7 kJ mol–1 ; — JEE Mains Chemistry Past Papers Chemistry Question

Question

The Born-Haber cycle for KCl is evaluated with the following data : ƒH for KCl = – 436.7 kJ mol–1 ; subH for K = 89.2 kJ mol–1 ; ionizationH for K = 419 kJ mol–1 ; electron gainH for Cl(g) = –348.6 kJ mol–1 ; bondH for Cl2 = 243.0 kJ mol–1 The magnitude of lattice enthalpy of KCl in kJ mol–1 is…………. (Nearest integer) KCl ds fy, ckWuZ gkcj pØ dk ewY;kadu fuEufyf[kr vk¡dM+ks ds vk/kkj ij fd;k x;k gS& KCl ds fy,ƒH = – 436.7 kJ mol–1 ; K ds fy, subH = 89.2 kJ mol–1 ; K ds fy, ionizationH = 419 kJ mol–1 ; Cl(g) ds fy, electron gainH = –348.6 kJ mol–1 ; Cl2 ds fy, bondH = 243.0 kJ mol–1 KCl dh tkyd ,UFkSYih dk ifjek.k kJ mol–1 esa gS…………. (fudVre iw.kkZd esa)