📘 Class 12 Chemistry – Polymers | Types, Polymerisation, Examples
Автор: School Pro Kid
Загружено: 2025-05-30
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In this lecture on Polymers, we explore the fascinating world of macromolecules that form the backbone of materials around us – from plastic and rubber to nylon and teflon! This session covers the types of polymerisation, natural vs synthetic polymers, naming, classification, and examples as per the latest NCERT syllabus.
This chapter is frequently tested in CBSE Boards, NEET, and JEE Main Chemistry.
📌 Topics Covered in This Video:
🔹 1. Introduction to Polymers
What are polymers and monomers?
Degree of polymerisation
Natural and synthetic polymers
🔹 2. Types of Polymerisation
Addition (Chain growth) polymerisation
Condensation (Step growth) polymerisation
Co-polymerisation
🔹 3. Classification of Polymers
Based on source: Natural, Semi-synthetic, Synthetic
Based on structure: Linear, Branched, Cross-linked
Based on molecular forces: Elastomers, Fibers, Thermoplastics, Thermosetting
🔹 4. Important Polymers & Their Monomers
Polyethene, PVC, Teflon, PAN, Nylon-6,6, Bakelite, Buna-S, Buna-N, Melamine
🔹 5. Biodegradable Polymers
PHBV, Nylon-2-Nylon-6
✅ Why Watch This Video?
🧠 Crystal-clear explanation with real-life examples
🧪 Important for theory questions and MCQs
🎯 Aligned with NCERT & relevant for competitive exams
🧾 Includes memory tricks to recall polymer names
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💬 Still confused between thermoplastics and thermosetting? Ask us in the comments – we’ll clarify it for you!
#PolymersClass12 #ChemistryCBSE2025 #PolymersNEET #Polymerisation #SyntheticPolymers #NCERTChemistry #PolymersJEE #Class12Chemistry

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