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Polymers questions

Polymers questions | form six Chemistry

Find Polymers examination questions, form six Chemistry in acaproso.com

# Question
1
  1. Describe aldol condensation.
  2. Explain why (CH3)2CO and CH3CHO can undergo aldol condensation, whereas (CH3)3C-CHO and (CH3)3C-CHO cannot.

Short answers
2

Describe how the following molecules can be distinguished from each other:

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

Long answers
3

In not more than three steps, show how the following conversions can be achieved:

  1. Polymers questions form six chemistry
  2. Polymers questions form six chemistry
  3. Polymers questions form six chemistry
  4. Polymers questions form six chemistry
  5. Polymers questions form six chemistry

Long answers
4

Differentiate a PVC from a polyester.


Short answers
5

Give the products of the following polymerisation reactions and classify them as addition or condensation polymerisation.

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

Short answers
6

Explain at least two hazards of polymers.


Short answers
7

Write short notes on

  1. Additional polymerisation.
  2. Condensation polymerization.

Short answers
8
  1. Give structural formulae of hexane-1,6-dioic acid and 1,6-diaminohexane.
  2. Explain why the pair of molecules in (i) above is suitable for polymerisation.
  3. Give the structural formula of the polymer which might be formed by the pair of molecules in (i) above.
  4. What is the repeating unit of the polymer formed in (iii)?.

Short answers
9

Indicate the monomer and polymerisation method which is likely to be used in making each of the following commercial polymers.

  1. -CF_{2}-CF_{2}--CF_{2}-CF_{2}-CF_{2}-CF_{2}-
  2. Polymers questions form six chemistry
  3. -NH-(CH_{2})_{5}-CO-NH-(CH_{2})_{5}-CO-NH(CH_{2})_{5}-CO-

Short answers
10

Define the following terms and give one example in each case

  1. Condensation polymerisation
  2. Addition polymerisation

Short answers