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Addition Polymerisation or Chain Growth Video Lecture | Chemistry Class 12 - NEET

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FAQs on Addition Polymerisation or Chain Growth Video Lecture - Chemistry Class 12 - NEET

1. What is addition polymerization?
Ans. Addition polymerization is a type of polymerization process in which monomers react together to form a polymer without the elimination of any by-products. It involves the repeated addition of monomers to the growing polymer chain, resulting in a linear or branched polymer structure.
2. How does addition polymerization differ from condensation polymerization?
Ans. Addition polymerization differs from condensation polymerization in that it does not involve the elimination of any by-products. In addition polymerization, monomers join together through a chemical reaction that solely forms the polymer chain, while condensation polymerization involves the release of small molecules, such as water or alcohol, as by-products during the polymerization process.
3. What is chain growth in addition polymerization?
Ans. Chain growth is a key characteristic of addition polymerization, where the polymer chain grows progressively by adding monomers one at a time. This occurs through the initiation, propagation, and termination steps of the polymerization process. The growing polymer chain can continue to grow until all available monomers are consumed or until the reaction is terminated.
4. What are some examples of addition polymerization reactions?
Ans. Some examples of addition polymerization reactions include the polymerization of ethylene to form polyethylene, the polymerization of styrene to form polystyrene, and the polymerization of vinyl chloride to form polyvinyl chloride (PVC). These reactions involve the addition of monomers to form long, repeating polymer chains.
5. What are the advantages of addition polymerization?
Ans. Addition polymerization offers several advantages, such as the ability to produce high molecular weight polymers with controlled molecular structures. It allows for a wide range of monomers to be used, enabling the synthesis of diverse polymers with different properties. Additionally, addition polymerization reactions are often fast and efficient, making them suitable for large-scale industrial production.
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