Preparation of some step growth polymers
Preparation of some step growth polymers: Overview
This topic covers concepts such as Nylon-6, Terrylene, Bakelite, Melamine-Formaldehyde Resin, and Urea-formaldehyde Resin.
Important Questions on Preparation of some step growth polymers
The designation 6,6 means in the name nylon-6, 6 is:
What does ‘6, 6’ indicate in the name nylon-6, 6?
Nylon-6,6 is a repeating unit of which of the following:
Which of the following is representing an example of step-growth polymerisation?
Which of the following is a polyamide?
Write the properties of Urea formaldehyde resin.
Write the uses of Urea formaldehyde resin.
Explain the structure of urea formaldehyde polymer.
Which of the following compounds are constituents of the polymer given below?
Which of the following compounds is a constituent of the polymer?
Which one of the following is not correctly matched?
Bakelite is obtained from phenol by reacting with
Identify the mismatch:
Match the polymer in Column with its main uses in Column :
Column
(a) Polystyrene
(b) Glyptal
(c) Polyvinyl chloride
(d) Bakelite
Column
(i) Paints and lacquers
(ii) Rain coats
(iii) Manufacture of toys
(iv) Computer discs
The total number of delocalized lone pairs of electrons in melamine is:
Which of the following is currently used in making tyre cords?
Polymerisation of glycol with dicarboxylic acid is:
Terylene is a:
(a) step-growth polymer.
(b) used for making magnetic recording tapes.
(c) condensation polymer.
(d) it is also called dacron.
(e) thermosetting plastic.
Which of the above properties are true for terylene?
Nylon is an example of _____ (polyamide/polyester).
Which of the following polymer is formed by phenol and formaldehyde?
