Ionic Equilibrium Lecture 3 | Lewis Acid–Base Concept & Classification of Salts | JEE NEET

Ionic Equilibrium Lecture 3 | Lewis Acid–Base Concept & Classification of Salts | Repeater Batch | ChembyKKSir

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🌍 Namaste Dear Students! 🙏

Welcome to Ionic Equilibrium – Lecture 3, a logical continuation of Lectures 1 and 2, where the theoretical framework of acids, bases and salts is taken to the next conceptual and exam-oriented level.

In this lecture, I — Krishna Kumar Sah (ChembyKKSir) — explain the Lewis Acid–Base Concept in detail and then move to one of the most confusing yet highly scoring areas for students — classification of salts.

Special emphasis is given to systematic classification, logic-based identification and large-scale examples, exactly as required in NEET, JEE Main and JEE Advanced.

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🧪 Topics Covered — Ionic Equilibrium Lecture 3

1️⃣ Lewis Acid–Base Concept

• Acid as electron pair acceptor
• Base as electron pair donor
• Comparison with Arrhenius and Brønsted–Lowry concepts
• Role of Lewis concept in modern chemistry
• Link with coordination chemistry

2️⃣ Classification of Salts (Complete Coverage)

• Normal Salts
• Acidic Salts
• Basic Salts
• Mixed Salts
• Double Salts
• Addition Compounds
• Coordination Compounds
• Differences between double salts and coordination compounds

3️⃣ Normal Salts — Detailed & Exam-Oriented

Normal salts formed from:
• Strong Acid + Strong Base
• Strong Acid + Weak Base
• Weak Acid + Strong Base
• Weak Acid + Weak Base

➡️ 25 representative examples of each category discussed and written clearly for:
✔ Identification
✔ Conceptual clarity
✔ Hydrolysis behavior
✔ Future pH prediction

4️⃣ Conceptual Preparation for Hydrolysis

• Relationship between salt type and hydrolysis
• Predicting acidic, basic or neutral nature of salt solution
• Direct link with upcoming pH numericals

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📚 Ionic Equilibrium — Complete Chapter Roadmap

✔ Electrolytes and Non-Electrolytes
✔ Strong and Weak Electrolytes
✔ Acids, Bases and Salts
✔ Arrhenius, Brønsted–Lowry and Lewis Concepts
✔ Conjugate Acid–Base Pairs
✔ Types of Salts and Their Nature
✔ Hydrolysis of Salts
✔ Ionic Product of Water (Kw)
✔ pH and pOH Calculations
✔ Ostwald’s Dilution Law
✔ Buffer Solutions
✔ Solubility Product (Ksp)
✔ Common Ion Effect
✔ Selective Precipitation
✔ NEET & JEE Level Numericals

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🎯 Why This Lecture Is Extremely Important

This lecture:
✔ Removes confusion about salt classification
✔ Builds strong base for hydrolysis & pH calculations
✔ Connects acid–base theory with coordination chemistry
✔ Makes NEET/JEE MCQs logic-based instead of memory-based

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👩‍🎓👨‍🎓 Best For

• Repeater Batch Students
• NEET UG Aspirants
• JEE Main & JEE Advanced Aspirants
• Class 11 & 12 Students
• MHT-CET, WBJEE, KCET, VITEEE Aspirants

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👨‍🏫 Educator — ChembyKKSir

Krishna Kumar Sah
Senior Chemistry Faculty
Medical Head — EURO JEE-NEET, PCMC Pune
🧪 15+ Years of Teaching Experience
🎯 Mentor of NEET AIR 75 & JEE Advanced AIR 48

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