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Curated by: Khan Academy India - English (4 videos)
https://www.khanacademy.org/science/telangana-class-12-chemistry Based on their mode of polymerization, polymers can be either addition polymers or condensation polymers. In this video we deep dive into addition polymerisation and the various mechanism that lead to it – free radical polymerisation, cationic polymerization and anionic polymerisation. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! Timestamps: 0:00 : Polymers recap 0:50 : Addition polymerization and initiators 01:57 : Types of addition polymerization 02:06 : Free radical polymerization 04:19 : Ionic polymerization – cationic 06:55 : Why Arrhenius acids not used as cationic initiator 08:06 : Ionic polymerization – anionic 11:35 : Polystyrene can undergo free radical, cationic and anionic polymerisation 12:16 : Summary Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate