18. The type of polymerization in the following reaction is ... polymerization. H a) Condensation b) Addition c) Elimination d) Isomerization e) Aromaticity 11.0' H H

Q2. A) Determine the monomer unit of the following polymer Monomer unit = B) Determine the structure of polymer that will be synthesized from the given monomer unit Q2. A) Determine the monomer unit of the following polymer CH3 CH3 CH3 (CH2-C-CH₂-C-CH₂-07 CO2CH3 CO2CH3 CO2CH3 Monomer unit = B) Determine the structure of polymer that will be synthesized from the given monomer unit Initiator heat

This polymer is composed of 2 monomer units: an acid chloride and an amine. In the box below, draw the structure of both monomers. (8-10 C (CH₂)6-C CH₂ 어 H n • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • Do not include lone pairs in your answer. They will not be considered in the grading. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate structures with + signs from the drop-down menu.

10. Complete the following polymerization reactions. Name the polymer that forms. a) H b) H H H H H polymerize polymerize polymerize CH3 -CH-CH₂

General polymerization processes. Describe stepwise polymerization and chain polymerization.

Complete the following condensation polymerization reactions by drawing the structural formula of the repeating unitof each polymer, as well as any other products.

3. Another type of Nylon can be made from 1,4-butanediamine and sebacoyl chloride: | CI - C(CH2);C –- CI H2N(CH2)4NH2 and a. Draw the structure of the polymer formed. Draw parentheses around the repeating unit. b. Is this an addition polymerization or a condensation polymerization reaction? (Circle your choice) c. What molecule will be eliminated in this reaction? d. What name (with numbers) would you give to this polymer? In the repeating unit, circle and label the amide bond. е.

Please long and clear explanations.

QII: Distinguish between the following reactive intermediates in chain- growth polymerizations: 1. Radicals 2. Carbanions 3. Carbocations 4. Organometallic complexes

Polymers can be formed only by addition polymerization. O True OFalse