15.3 Classify the following as addition and condensation polymers: Terylene, Bakelite, Polythene, Teflon.

15.3

 Two monomers Hexamethylenediamine [H₂N- (CH₂)₆-NH₂] and adipic acid [HOOC- (CH₂)₄- COOH] combined to form the polymer and a water molecule is removed in this process. Hydrogen (H) is removed from both sides of Hexamethylenediamine and OH group is removed from both sides of adipic acid to give a water molecule.

The monomer is OC- (CH₂)₅-NH known as Caprolactam. The cyclic structure of the monomer changes to linear to form the polymer, as shown below:

The monomer is Tetrafluroethene (CF₂= CF₂), the double bond breaks to form the polymeric

<p><strong>15.3</strong></p><p><picture><img src="https://images.shiksha.com/mediadata/images/articles/1688113601phpVs6aPZ.jpeg" alt="" width="592" height="78"></picture></p><p><picture>&nbsp;Two monomers Hexamethylenediamine [H</picture>₂<picture>N- (CH</picture>₂<picture>)</picture>₆<picture>-NH</picture>₂<picture>] and adipic acid [HOOC- (CH</picture>₂<picture>)</picture>₄<picture>- COOH] combined to form the polymer and a water molecule is removed in this process. Hydrogen (H) is removed from both sides of Hexamethylenediamine and OH group is removed from both sides of adipic acid to give a water molecule.</picture></p><div><div><picture><source srcset="https://images.shiksha.com/mediadata/images/articles/1688113624phpj8mCsJ_480x360.jpeg" media=" (max-width: 500px)"><img src="https://images.shiksha.com/mediadata/images/articles/1688113624phpj8mCsJ.jpeg" alt="" width="" height=""></picture></div></div><p>The monomer is OC- (CH₂)₅-NH known as <u>Caprolactam</u>. The cyclic structure of the monomer changes to linear to form the polymer, as shown below:</p><p>The monomer is <u>Tetrafluroethene</u> (CF₂= CF₂), the double bond breaks to form the polymeric</p>

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