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Chapter 7: Problem 56

This section contains multiple choice questions. Each question has 4 choices (a), (b), (c) and (d), out of which ONLY ONE is correct. Arrange the following in the increasing order of their intermolecular forces nylon, PVC, rubber, cellulose nitrate (B) (DI (a) \((\mathrm{C})<(\mathrm{A})<(\mathrm{B})<(\mathrm{D})\) (b) \((\mathrm{C})<(\mathrm{B})<(\mathrm{A})<(\mathrm{D})\) (c) \((\mathrm{D})<(\mathrm{C})<(\mathrm{B})<(\mathrm{A})\) (d) \((\mathrm{D})<(\mathrm{C})<(\mathrm{A})<(\mathrm{B})\)

Short Answer

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Question: Arrange the following materials in the increasing order of their intermolecular forces: nylon, PVC, rubber, and cellulose nitrate. Answer: (b) PVC < Rubber < Nylon < Cellulose nitrate

Step by step solution

01

Identify the intermolecular forces in each material

First, we need to identify the types of intermolecular forces present in each material. 1. Nylon has hydrogen bonds as well as van der Waals forces 2. PVC (polyvinyl chloride) mainly has van der Waals forces 3. Rubber also has primarily van der Waals forces 4. Cellulose nitrate has hydrogen bonds and ionic interactions.
02

Compare the strength of intermolecular forces

Now, we need to compare the strength of the intermolecular forces present in each material. Generally, hydrogen bonds are stronger than van der Waals forces, and ionic interactions are the strongest among the three. Based on this, we can deduce the order of their intermolecular forces strength: PVC < Rubber < Nylon < Cellulose nitrate.
03

Match the order with the given options

Now, we have to find the option that matches our determined order. Using the given options A, B, C, and D as (A) - nylon, (B) - PVC, (C) - rubber, and (D) - cellulose nitrate, we find that our order matches with: \((\mathrm{C})<(\mathrm{B})<(\mathrm{A})<(\mathrm{D})\) Hence, the correct answer is (b).

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