If the enthalpy of sublimation of Li is 155 kJ mol ⁻¹, enthalpy of dissociation of F₂ is 150 kJ mol ⁻¹, ionization enthalpy of Li is 520 kJ mol ⁻¹, electron gain enthalpy of F is -313 kJ mol ⁻¹, standard enthalpy of formation of LiF is -594 kJ mol ⁻¹. The magnitude of lattice enthalpy of LiF is _ _ _ _ kJ mol ⁻¹. (Nearest Integer)

Chemical Thermodynamics: JEE Main 2026 Chemistry question

JEE Main 2026 · 22 Jan, Evening shift · Q72

JEE Main 202622 Jan, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

If the enthalpy of sublimation of Li is

155

kJ mol

^{-1}

, enthalpy of dissociation of

\mathrm{F_2}

150

kJ mol

^{-1}

, ionization enthalpy of Li is

520

kJ mol

^{-1}

, electron gain enthalpy of F is

-313

kJ mol

^{-1}

, standard enthalpy of formation of LiF is

-594

kJ mol

^{-1}

. The magnitude of lattice enthalpy of LiF is ________ kJ mol

^{-1}

. (Nearest Integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Chemical Thermodynamics Question with Solution (22 Jan Evening shift, Q72) | JEE Arc

JEE Main 2026 · 22 Jan, Evening shift · Q72

JEE Main 202622 Jan, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

If the enthalpy of sublimation of Li is

155

kJ mol

^{-1}

, enthalpy of dissociation of

\mathrm{F_2}

150

kJ mol

^{-1}

, ionization enthalpy of Li is

520

kJ mol

^{-1}

, electron gain enthalpy of F is

-313

kJ mol

^{-1}

, standard enthalpy of formation of LiF is

-594

kJ mol

^{-1}

. The magnitude of lattice enthalpy of LiF is ________ kJ mol

^{-1}

. (Nearest Integer)

Your answerType your answer. Integers and decimals are accepted.