Chemical Bonding-Lec2 | Ionic Bond and Lattice Energy|By Ajay Sir(AKS)

Описание: 📽️ About This Lesson
Welcome to the core of Chemical Bonding! In this session, we break down the Ionic Bond from the ground up.
📝 What You’ll Learn:
1. Conditions for Ionic Bond Formation
Not every atom wants to form an ionic bond. We discuss the three critical "ideal" conditions:

Low Ionization Enthalpy: Why metals (Group 1 & 2) are the perfect donors.

High Electron Gain Enthalpy: Why non-metals (Group 16 & 17) are the perfect acceptors.

High Lattice Energy: The "glue" that keeps the structure stable.

2. Characteristics of Ionic Compounds
Ionic compounds aren't just salts; they have unique physical personalities:

High Melting & Boiling Points.

Brittleness and Crystal Lattice structures.

Electrical conductivity (and why they only conduct in molten or aqueous states!).

Solubility in polar solvents

3. Deep Dive: Lattice Energy ($U$)The energy released when one mole of an ionic crystalline compound is formed from gaseous ions.4. Comparison of Lattice EnergyHow do you predict which compound has a stronger bond? We use two main factors:Charge of Ions ($q_1, q_2$): Lattice energy is directly proportional to the product of charges.Size of Ions ($r$): Lattice energy is inversely proportional to the distance between ions.

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