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JEE Main Chemistry question

ChemistryThermodynamicsJEE Main

The lattice energy of solid is and the enthalpy of solution of in is . If the hydration enthalpies of and ions are in the ratio of , then the enthalpy of hydration of is . Find the value of .

Answer: 6

Solution

Let the hydration enthalpy of be and that of be (ratio 2:1), so total hydration enthalpy . By Hess's law: H_{solution}H_{lattice}$+Δ

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Question ID VK-134994