Atomic Orbital Hybridization and Shapes of Molecules | Lecture 9 | Chapter 3 |FSc 1st Year Chemistry

Atomic Orbital Hybridization and Shapes of Molecules | Lecture 9 | Chapter 3 | FSc 1st Year Chemistry

🎓 Welcome to Lecture 9 of Chapter 3 (Chemical Bonding) for FSc 1st Year Chemistry students!
In this important lecture, we explore the concept of hybridization of atomic orbitals and how it determines the geometry and shape of molecules. This lecture is based on the Punjab Education Curriculum Training and Assement Authority (PECTAA) 2025 edition, and is especially designed for intermediate science students in Pakistan.
For More Detail Example Follow:

   • Types of hybridization sp,sp2,sp3 || 2nd y...  
📌 Topics Covered in This Lecture:

✅ What is hybridization?
✅ Types of hybridization:
  🔹 sp hybridization
  🔹 sp² hybridization
  🔹 sp³ hybridization
✅ VSEPR theory and molecular shapes
✅ Examples:
  🔹 BeCl₂ (Linear)
  🔹 BF₃ (Trigonal Planar)
  🔹 CH₄ (Tetrahedral)
✅ Relation between hybridization and bond angles
✅ Real-life applications and exam tips

🎯 Learning Outcomes:

Understand how atomic orbitals mix to form hybrid orbitals

Identify different molecular shapes using VSEPR theory

Solve board exam MCQs and short/long questions easily

Strengthen your concept for competitive exams like MDCAT & ECAT

📌 Chapter Details:

Chapter Name: Chemical Bonding
Book: 1st Year Chemistry
Board: Punjab Education Curriculum Training and Assement Authority (PECTAA)
Medium: English + Urdu explanation
Lecture #: 09

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