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The condensation polymer are those which...

The condensation polymer are those which gives out some simple molecules like `H_(2)O` in course of reaction. Mostly in this reaction functional group changes.
Polyster is

A

Nylon-66

B

Decron

C

Teflon

D

Neoprene

Text Solution

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The correct Answer is:
To determine which of the given options is a polyester, we need to understand the definition of condensation polymers and the specific characteristics of polyesters. ### Step-by-Step Solution: 1. **Understanding Condensation Polymers:** - Condensation polymers are formed through condensation reactions where simple molecules, such as water (H₂O), are released during the polymerization process. This typically involves the reaction of monomers with functional groups that react to form covalent bonds. **Hint:** Look for reactions that produce small molecules like water or alcohol as by-products. 2. **Identifying Polyesters:** - Polyesters are a type of condensation polymer that contains ester functional groups (-COO-). The general structure of an ester is RCOOR', where R and R' are hydrocarbon chains. **Hint:** Identify functional groups in the polymer structure to confirm if it is a polyester. 3. **Analyzing the Options:** - **Option A: Nylon 6-6** - Nylon 6-6 is made from hexamethylenediamine and adipic acid. The reaction involves the formation of amide bonds, not ester bonds. Therefore, Nylon 6-6 is not a polyester. **Hint:** Check if the polymer contains ester functional groups or amide functional groups. - **Option B: Dacron** - Dacron is made from ethylene glycol and terephthalic acid. The reaction produces water and forms ester bonds, confirming that Dacron is indeed a polyester. **Hint:** Look for the presence of ester functional groups in the structure. - **Option C: Teflon** - Teflon is produced from tetrafluoroethylene through addition polymerization, which does not involve the release of small molecules and does not contain ester functional groups. Thus, Teflon is not a polyester. **Hint:** Determine if the polymerization is through addition or condensation. - **Option D: Neoprene** - Neoprene is made from chloroprene and is also formed through addition polymerization. It does not contain ester functional groups, making it not a polyester. **Hint:** Again, check for the type of polymerization and the presence of ester groups. 4. **Conclusion:** - After analyzing all options, the only polymer that qualifies as a polyester is **Option B: Dacron**. ### Final Answer: The correct answer is **Dacron**, which is a polyester.
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