Tag: classification of polymers

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Questions Related to classification of polymers

Multiple choice classification of polymers introduction to polymers and its classification polymer polymers chemistry

Which one of the following polymers is not properly matched to its monomer?

  1. orion - acrylonirtile

  2. synthetic rubber- 2 -chlorobuta - 1, 3 - diene

  3. nylon - adipic acid & hexamethylene diamine

  4. teflon - vinyl chloride
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The Monomer of Teflon is tetrafluoroethylene, where vinyl chloride is the monomer of PVC.


So, the correct option is $D$

Multiple choice classification of polymers introduction to polymers and its classification polymer polymers chemistry

Monomer of polythene is :

  1. propene

  2. isoprene

  3. chloroprene

  4. ethene
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Polyethylene is the most common plastic. The monomer is ethylene, a gaseous hydrocarbon with the formula ${ C } _{ 2 }{ H } _{ 4 }$ which can be viewed as a pair of methylene groups connected to each other. As it is highly reactive, the ethylene must be of high purity.

Multiple choice classification of polymers introduction to polymers and its classification polymer polymers chemistry

Which one of the following is a phenolic resin similar to Bakelite?

  1. Catalin

  2. Melamine

  3. Celluloid

  4. Crystalate
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Catalin is a brand name for a thermosetting polymer that was popular from the 1930s. It is another phenolic resin, similar to Bakelite, but with different mineral fillers that allowed the production of light colors. Like Bakelite, it gives off a distinctive phenolic odour when heated.

Multiple choice classification of polymers introduction to polymers and its classification polymer polymers chemistry

The necessary condition for a compound to form fibre is that

  1. its molecules must be linear

  2. its molecules must be spherical

  3. its molecules must be rectangular

  4. its molecules must be hexagonal
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

All polymers cannot form fibres. The key requirement of a fibre forming polymer is that the molecule must be linear. This permits their side by side alignment.

Option A is correct.

Multiple choice classification of polymers introduction to polymers and its classification polymer polymers chemistry

Identify the heteropolymer from the list given below.

  1. Polythene

  2. Nylon-6

  3. Teflon

  4. Nylon-6, 6
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
A hetero-polymer derived from two or more different (but often similar) types of monomer. Nylon 66 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine and adipic acid, which give nylon 66 its name
Polythene, nylon-6 and teflon are homo polymers.