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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

Lattice energy of is kcal/mol, and the hydration enthalpies of the cation and anion respectively are and kcal/mol. The enthalpy of solution of , in kcal, is .

Answer: 4

Solution

By Hess's law, . Breaking the lattice (the reverse of its

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Question ID VK-141819