Rajasthan Technical Education Second Year Paper 2016 – High Polymer Chemistry
No termination involved in which polymerisation
(a) Free radical
(b) Cationic
(c) Anionic
(d) Coordination
Ethylene is polymerised by
(a) Ionic
(b) Free radical
(c) Both (a) & (b)
(d) None of these
Living anionic polymerisation is used to produce
(a) Homopolymer
(b) Block co-polymer
(c) Thermosets
(d) None of these
Thermoset polymer is
(a) Iso butylene
(b) Phenol formaldehyde
(c) Polypropylene
(d) PVC
The number of boinding sites in monomer is called
(a) Degree of polymerisation
(b) Functionality
(c) Brittleness
(d) None of these
The number of pi bonds in acrylonitrile is
(a) 2
(b) 1
(c) 3
(d) 4
Repeating unit of polystyrene
(a) Ethylene
(b) Vinyl Chloride
(c) Styrene
(d) Neoprene
Thermoplastic polymer is
(a) Epoxy
(b) Urea formaldehyde
(c) Bakelite
(d) Polyacrylonitrile
Free radical initator is
(a) Benzoyl peroixde
(b) Lewis acid
(c) HCl
(d) NaOH
Fast polymerisation is
(a) Free radical
(b) Ionic
(c) Both (a) & (b)
(d) None of these
Repeating unit of PMMA is
(a) Chloroprene
(b) Vinyl Chloride
(c) Monochloroethene
(d) Methyl Metha Acrylate
A copolymer is
(a) Nylon
(b) Poly styrene
(c) Poly ethylene
(d) Poly propylene
In copolymer equation represents
(a) Bulk ratio
(b) Reactivity ratio
(c) Density
(d) None of these
In cationic polymerisation propagation is carried out by
(a) Carbanion
(b) Carbonium Ion
(c) Free radical
(d) None of these
In rate equation Ri represents
(a) Initiator rate
(b) Termination rate
(c) Propagation rate
(d) None of these
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