Which of the Following May Form Linear Polymers
Phenol-formaldehyde Polystyrene Nylon Rubber Epoxy Polyethylene. True True True False C.
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. Polymers are considered to be either amorphous or crystalline although they may not be completely one or the other. D Linear and syndiotactic polypropylene having a weight-average molecular weight of 500000 gmol. The reaction is given below.
These derivatives further react with phenol to form a linear polymer novolac. Which one of the following is a linear polymer. Addition reaction can be of the following types.
1 point Are the following statements true or false. Polyethylene Nylon Epoxy Phenol-formaldehyde Rubber Polystyrene. Linear and atactic polypropylene having a weight-average molecular weight of 750000.
I Teflon ii Natural rubber iii Neoprene iv Polystyrene. Preparation methods for polymers may be roughly divided into two categories. A HDPE mostly contains linear polymer chains b Increasing chain length decreases the strength of a polymer c Polymethyl methacrylate PMMA can be made 100 crystalline d Cross-linked polymers have van der Waals bonds between the chains A.
It is possible to produce a polymer that is 100 crystalline. Which of the following polymers are thermoplastic. Novolac is prepared by condensation of phenol with methanal using an acid or a base as a catalyst.
The base unit to obtain a cross linked polymer is R_2SiCl_2. When linear chains of a polymer form branches then such polymers are categorized as branched chain polymers. Poly-vinyl chloride is largely used for making pipes and electric cables is an example of a linear polymer.
Rubber Phenol-formaldehyde Polystyrene Nylon. I Heavily branched cross-linked polymers. View solution Which one of the.
In condensation of polymerization monomers are involved which contain functional groups of. Correct option is C Cellulose is a natural linear polymer a long chain made by the linking of smaller glucose molecules. Iv Soften on heating and harden on cooling can be reused.
Novolac is widely used in paints. For example Low-density polythene. Polyethylene polystyrene and nylon.
Polystyrene 1-1 polymethyl methacrylate 1-34 and poly4-methyl pentene-1 1-35 are called linear polymers although they contain short branches that are part of the monomer structure. Polymer classification based on structure are. HDP is chemically inert and has a higher melting point whereas LDP is a lower melting point and flexible.
Which of the following may form linear polymers. Bifunctional monomers can form linear polymers. Amino acids react to form peptides and proteins this process is known as.
Which of the following form network polymers. Also Natural rubber is a linear polymer made up of Isoprene 2-Methyl -1 3 Butadiene units. They are generally thermoplastic polymers and except for very high.
Branching is present in branched polymers. Which of the following may form linear polymers. Linear polymers have a straight polymer chain that may or may not composed of pendant groups.
Crystalline polymers are more correctly termed semicrystalline as the measured densities for perfect materials differ from those obtained for such polymers. Which of the following may form linear polymers. Nylon threads are made of.
QUESTION If he be Mr Hyde I shall be Mr Seek. C Linear and syndiotactic polyvinyl chloride having a number-average molecular weight of 500000 gmol. Which of the following may form linear polymers.
A Spherulitic polypropylene of 25 crystallinity and having a weight-average molecular weight. Monomers of ethene in thousand numbers react together in addition polymerization to produce. Linear polyethylene having a number-average molecular weight of 225000 gmol.
The reaction gives the products. True False False False B. 1533 For each of the following pairs of polymers plot and label schematic specific volume versus temperature curves on the same graph ie make separate plots for parts a b and c.
HDP is a high-density polymer which has a linear structure and LDP is a low density structure which has branched structure. Two compounds with the same chemical formula can have quite different structures. Correct option is D Was this answer helpful.
Where is the DNA located in the cell. A linear polymer is one in which each repeating unit is linked only to two others. NCERT Exemplar Solutions of Class 12 Chemistry Chapter 15 Polymers.
They are composed of bifunctional and trifunctional monomers. Polystyrene Nylon Rubber Epoxy Polyethylene Phenol-formaldehyde. Which of the following may form linear polymers.
Iii Become infusible on moulding so cannot be reused. When heated with zinc chloride lactides forms a linear polymer which may be. Molecular weight M Mass of a.
Which of the following form network polymers. These are obtained when there are two alkyl groups present on siloxanes ie are obtained by the hydrolysis of diary or dialkyl silicon chlorides followed by the polymerization reaction. Branched polymers have polymer chains as side groups.
Option i and iii are the answers. Ii Linear slightly branched long-chain molecules. 100 65 ratings highly crosses.
Branching is absent in linear polymers.
Solved Which Of The Following May Form Linear Polymers Chegg Com
Solved Which Of The Following May Form Linear Polymers Chegg Com
Which Of The Following Is A Linear Polymer
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