Chemical Bonding- Lec 3 | Solvation, Solvation energy,Solubility of Ionic compound| By Ajay Sir(AKS)

Описание: In Lecture 3 of our Chemical Bonding series, we dive deep into why some things dissolve and others don’t. We’re breaking down the "tug-of-war" between Lattice Energy and Hydration Energy to understand the true nature of Solubility.
If you've ever wondered why salt disappears in water but some salt stays put, this is the lecture for you!
📝 What You’ll Learn:The Solvation Process: What happens at the molecular level when an ionic solid meets a solvent.Solvation vs. Hydration: Understanding the terminology (it’s all about the solvent!).Solvation Energy ($\Delta H_{solv}$): Why energy is released when ions are "cradled" by solvent molecules.
The Golden Rule: For a compound to dissolve, the energy released during hydration must generally outweigh the energy holding the crystal lattice together.

💡 Key Formulas Covered:
To predict solubility, we look at the Net Enthalpy of Solution ($\Delta H_{soln}$):$$\Delta H_{soln} = \text{Lattice Energy} + \text{Hydration Energy}$$(Note: Lattice Energy is endothermic (+), while Hydration Energy is exothermic (-).)

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