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Polymers questions

Polymers questions | form six Chemistry

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# Question
1

State why Polymers questions form six chemistry and HOCH_{2}CH_{2}OH can not form a polymer.


Long answers
2

Define the following terms:

  1. Polymer
  2. Additional polymerization
  3. Condensation polymerization

Short answers
3
  1. Name at least four natural polymers.
  2. Giving example , differentiate a thermosetting polymer from a thermoplastic polymer.

Short answers
4

Using example of polymerization of vinyl chloride (C_{2}H_{3}Cl) to form PVC, show the following steps;

  1. Initiation step
  2. Propagation step
  3. Termination step

Short answers
5

Draw the complete structures of monomers which were used to prepare the following condensation polymers:

  1. Polymers questions form six chemistry
  2. Polymers Questions form six chemistry
  3. Polymers questions form six chemistry

Short answers
6

Write the structural formula for each of the following compounds:

  1. 2,4-dichloro-1-hexanol
  2. 1,2-dimethoxyethane
  3. 2-chlorobutanal
  4. Cyclobutanone

Short answers
7

Indicate the monomers and polymerization method which are likely used in making each of the following commercial polymers.

  1. Polymers questions form six chemistry
  2. Polymers questions form six chemistry
  3. Polymers questions for six chemistry

Short answers
8

Describe the reaction which takes place during vulcanization of raw rubber. What changes in physical properties accompany this process?. What would happen if the proportion of sulphur used in vulcanization is very large?


Short answers
9

Show how ethylamine reacts with the following molecules:

  1. Benzaldehyde
  2. Cyclohexane
  3. Nitrous acid (HONO) at freezing temperature
  4. Propanoyl chloride (CH3CH2CClO).

Short answers
10
  1. Define condensation reaction
  2. Explain how nylon-66 can be prepared and why is it called nylon 66?

Short answers