1. Tardigrade
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  3. Chemistry
  4. The enthalpy of solution of sodium chloride is 4 kJ mol- 1 and its enthalpy of hydration of ions is - 784 kJ mol-1. Then the lattice enthalpy of NaCl (in kJ mol-1) is

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Q. The enthalpy of solution of sodium chloride is $4 \,kJ \,mol^{- 1}$ and its enthalpy of hydration of ions is $- 784\, kJ \,mol^{-1}$. Then the lattice enthalpy of $NaCl$ (in $kJ \,mol^{-1}$) is

KEAMKEAM 2011

Solution:

Correct answer is (a) $+ 788$