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Statement-1. Nylon -6,6 is a thermoplast...

Statement-1. Nylon -6,6 is a thermoplastic polymer.
Statement-2 It is prepared by condendation polymerization of hexamethylenediamine and adipic acid.

A

Statement -1 is True , Statement -2 is True , Statement-2 is a correct explanation for Statement-1.

B

Statement-1 is True , Statement-2 is True , Statement-2 is not a correct explanation for Statement-1.

C

Statement-1 is True , Statement-2 is False.

D

Statement-1 is False , Statement-2 is True.

Text Solution

AI Generated Solution

The correct Answer is:
To analyze the given statements, we will break down each statement step by step. ### Step 1: Analyze Statement 1 **Statement 1:** Nylon-6,6 is a thermoplastic polymer. - **Definition of Thermoplastic Polymer:** Thermoplastic polymers are materials that become pliable or moldable above a specific temperature and solidify upon cooling. They can be remolded and reshaped multiple times without significant chemical change. - **Properties of Nylon-6,6:** Nylon-6,6 is a type of polyamide. It has strong intermolecular forces due to hydrogen bonding, which gives it high tensile strength and makes it a fiber-forming solid. - **Conclusion for Statement 1:** Since Nylon-6,6 cannot be remolded and does not exhibit the properties of a thermoplastic polymer, this statement is **false**. ### Step 2: Analyze Statement 2 **Statement 2:** It is prepared by condensation polymerization of hexamethylenediamine and adipic acid. - **Condensation Polymerization:** This is a type of polymerization where two monomers react to form a polymer and a small molecule, often water, is released as a byproduct. - **Monomers Involved:** - **Hexamethylenediamine (HMD):** This is a diamine with the formula H2N(CH2)6NH2. - **Adipic Acid:** This is a dicarboxylic acid with the formula HOOC(CH2)4COOH. - **Reaction Process:** The reaction between hexamethylenediamine and adipic acid results in the formation of Nylon-6,6 and water as a byproduct. The reaction can be summarized as: \[ n \text{(H2N(CH2)6NH2)} + n \text{(HOOC(CH2)4COOH)} \rightarrow \text{Nylon-6,6} + n \text{(H2O)} \] - **Conclusion for Statement 2:** This statement is **true** as it accurately describes the preparation of Nylon-6,6. ### Final Conclusion - **Statement 1 is false.** - **Statement 2 is true.** Thus, the correct answer is that Statement 1 is false and Statement 2 is true.

To analyze the given statements, we will break down each statement step by step. ### Step 1: Analyze Statement 1 **Statement 1:** Nylon-6,6 is a thermoplastic polymer. - **Definition of Thermoplastic Polymer:** Thermoplastic polymers are materials that become pliable or moldable above a specific temperature and solidify upon cooling. They can be remolded and reshaped multiple times without significant chemical change. - **Properties of Nylon-6,6:** Nylon-6,6 is a type of polyamide. It has strong intermolecular forces due to hydrogen bonding, which gives it high tensile strength and makes it a fiber-forming solid. ...
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