1. Tardigrade
  2. Question
  3. Chemistry
  4. Lattice enthalpy and enthalpy of solution of NaCl are 788 kJ mol -1 and 4 kJ mol -1, respectively. The hydration enthalpy of NaCl is :

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Q. Lattice enthalpy and enthalpy of solution of $NaCl$ are $788 kJ mol ^{-1}$ and $4 kJ$ $mol ^{-1}$, respectively. The hydration enthalpy of $NaCl$ is :

JEE MainJEE Main 2020Thermodynamics

Solution:

image

$4=788+\Delta H$

$\Delta H =-784 kJ$