The polymers are classified according to their molecular forces. Concept introduction: The polymers are classified based on the intermolecular forces present in the compound. These are four types. i.e., 1) Elastomers 2) Fibres 3) Thermoplastic polymers 4) Thermosetting polymers Elastomers are the polymers which contain weakest forces of attractions. Fibres are the thread forming polymers which contain very strong intermolecular attractions. Hence these polymers are used to make ropes [nylon (6, 6)] Thermoplastics are the polymers which are linear or slightly branched and have intermediary intermolecular attractions between elastomers and fibres. Thermosetting polymers are cross-linked polymers which have different characteristics than thermoplastics.

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(a) The following synthesis of the molecule shown in the circle has a major problem. What is this problem? (2 pts) 1) HBr (no peroxides) 2) H- NaNH2 Br 3) NaNH, 4) CH3Br 5) H2, Pd (b) Starting with the molecule shown below and any other materials with two carbons or less, write out an alternate synthesis of the circled molecule. More than one step is needed. Indicate the reagent(s) and the major product in all the steps in your synthesis. (5 pts) 2024 Fall Term (1) Organic Chemistry 1 (Lec) CHEM 22204 02[6386] (Hunter College) (c) Using the same starting material as in part (b) and any other materials win two carpons or less, write out syntheses of the circled molecules shown below. More than one step is needed in each case. Indicate the reagent(s) and the major product in all the steps in your synthesis. You may use reactions and products from your synthesis in part (b). (5 pts)

Answer 1

Question

Chapter 8, Problem 8.63PAE

Interpretation Introduction

Interpretation:

The polymers are classified according to their molecular forces.

Concept introduction:

The polymers are classified based on the intermolecular forces present in the compound. These are four types. i.e., 1) Elastomers 2) Fibres 3) Thermoplastic polymers 4) Thermosetting polymers

Elastomers are the polymers which contain weakest forces of attractions.

Fibres are the thread forming polymers which contain very strong intermolecular attractions. Hence these polymers are used to make ropes [nylon (6, 6)]

Thermoplastics are the polymers which are linear or slightly branched and have intermediary intermolecular attractions between elastomers and fibres.

Thermosetting polymers are cross-linked polymers which have different characteristics than thermoplastics.

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