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प्रश्न
How are the following polymers prepared?
Orlon
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उत्तर
Preparation of orlon:
It is prepared by the addition polymerization of acrylonitrile. A peroxide catalyst is used during the process
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संबंधित प्रश्न
Write the names and structure of the monomers of the following polymers:
Nylon-6, 6
Write the names of monomers of the following polymers:
How can you differentiate between addition and condensation polymerisation?
How is dacron obtained from ethylene glycol and terephthalic acid?
Name the monomers and the type of polymerization in each of the following polymers:
Bakelite
What is the significance of number of 6,6 in the polymer nylon-6,6?
Write the name of the monomer of the following polymer:
Nylon – 2 – Nylon – 6
Write the structures of monomers used the following polymers:
Nylon - 6, 6
Match the polymers given in Column I with their main applications given in Column II.
| Column I | Column II |
| (i) Bakelite | (a) Unbreakable crockery |
| (ii) Low-density polythene | (b) Non-stick cookwares |
| (iii) Melamine-formaldehyderesin | (c) Packaging material for shock absorbance |
| (iv) Nylon 6 | (d) Electrical switches |
| (v) Polytetrafluoroethane | (e) Squeeze bottles |
| (vi) Polystyrene | (f) Tyre, cords |
Assertion: Polyamides are best used as fibres because of high tensile strength.
Reason: Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers
Acetic acid is added in the preparation of nylon-6 to
Which of the following polymer is used for making phonograph records?
A raw material used in making nylon is
Nylon is a
Wash and wear clothes are manufactured using
Melamine is
Celanese silk is:-
Nylon – 6 is made from
Which is used for the formation of nylon – 6?
The polymer containing strong intermolecular forces, e.g., hydrogen bonding, is ______.
The polymer formed on heating Novolac with formaldehyde is ______.
Match List - I with List - II:
| List - I (Polymer) |
List - II (used for items) |
||
| (A) | Nylon 6, 6 | (I) | Buckets |
| (B) | Low density polythene | (II) | Non-stick utensils |
| (C) | High density polythene | (III) | Bristles of brushes |
| (D) | Teflon | (IV) | Toys |
Choose the correct answer from the options given below:
