Class 9 Chemistry | New Book Chapter 11 Lecture 4 | Important Reactions of Alkanes 🔥 | Punjab Board

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📌 Class 9 Chemistry | Complete New Book (Chapters 1–13) | Punjab Board 🔥📘
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Welcome to Lecture 4 of Chapter 11: Hydrocarbons!
In this lecture, we dive into the important chemical reactions of Alkanes that show how these saturated hydrocarbons behave in real-world chemical processes.

🧪 Topics Covered in This Lecture:
🔹 Halogenation of Alkanes
 👉 Substitution reactions using chlorine and bromine
 👉 Reaction mechanisms and examples

🔹 Combustion Reactions of Alkanes
 👉 Complete vs Incomplete combustion
 👉 Role of oxygen and energy release
 👉 Real-life relevance: fuel and energy sources

✅ Chapter Name: Hydrocarbons

✅ This lecture is specially designed for Class 9 students under the Punjab Board system, covering:

✅ Board of Intermediate and Secondary Education, Lahore
✅ Board of Intermediate and Secondary Education, Faisalabad
✅ Board of Intermediate and Secondary Education, Multan
✅ Board of Intermediate and Secondary Education, Rawalpindi
✅ Board of Intermediate and Secondary Education, Gujranwala
✅ Board of Intermediate and Secondary Education, Bahawalpur
✅ Board of Intermediate and Secondary Education, Sargodha
✅ Board of Intermediate and Secondary Education, Sahiwal
✅ Board of Intermediate and Secondary Education, Dera Ghazi Khan

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