What is a polymerization reaction ?

1 Answer

Answer :

In polymer chemistry, the process of forming large molecules by combining numerous molecules of the same substance or numerous molecules of more than one substance is called polymerization reaction .

Related questions

Description : Propyne is formed by (a) Polymerization of acetylene (b) Reaction of acetylene with methane (c) Reaction of acetylene with methyl chloride (d) Reaction of sodium acetylide with methyl chloride

Last Answer : Reaction of sodium acetylide with methyl chloride

Description : The product of addition polymerization reaction is:

Last Answer : The product of addition polymerization reaction is: A. PVC B. nylon C. terylene D. polyamide

Description : What type organic macro molecule is form polymerization reaction between amino acids?

Last Answer : This macromolecule is a protein.

Description : What type organic macro-molecule is form polymerization reaction between amino acids?

Last Answer : This macromolecule is a protein.

Description : In the method of condensation polymerization, (A) Low-molecular substances are removed from the high molecular substance (B) The reaction proceeds with an evolution of ammonia (C) The reaction proceeds with an evolution of hydrogen chloride (D) All of the above

Last Answer : Answer: Option D

Description : What is polymerization ?

Last Answer : Answer : The Greek word poly means many and meros means part or unit . Thus polymerization is the process of creating large molecules from six single molecules. That is, a reaction in which a ... the presence of little oxygen, polythene is produced by the addition of 600 - 1000 ethin molecules.

Description : PVC is formed by polymerization of - (1) Styrene (2) Acetylene (3) Propene (4) Vinyl Chloride

Last Answer : (4) Vinyl Chloride Explanation: Polyvinyl chloride is produced by polymerization of the vinyl chloride monomer (VCM). About 80% of production involves suspension polymerization.

Description : Why should one always use purest monomer in free radical polymerization?

Last Answer : Ans: The impurities present in monomer may combine with free radical that slow the rate of polymerization.

Description : What is addition polymerization ?

Last Answer : Ans: A chemical reaction in which monomer unit is repeated to produce a molecule without losing of molecule like water or ammonia. Ex. Polythene, Polyvinyl chloride

Description : Teflon is prepared by the polymerization of (a) Butadiene (b) Vinyl cyanide (c) Vinyl chloride (d) Tetrafluoroethylene

Last Answer : Tetrafluoroethylene

Description : Which of following statements is false about propane? (a) all bond angles are 109.5° (b) each carbon is sp3 hybridized (c) the compound is combustible (d) the compound undergoes polymerization to give polypropylene.

Last Answer : the compound undergoes polymerization to give polypropylene.

Last Answer : High Heat, Stressful Effect The same Of compounds Innumerable Molecules Of each other With Added Become Large Molecular Mass Prominent New Of compounds Molecules Structure To do To the process Polymerysation . _

Description : Polymerization does not occur through intermediate formation of:

Last Answer : Polymerization does not occur through intermediate formation of: A. carbocations B. carbonions C. free radicals D. carbenes

Description : Insulin exists in polymeric forms, for polymerization it requires (A) Calcium (B) Magnesium (C) Manganese (D) Zinc

Last Answer : Answer : D

Description : Metalloenzyme-retinene for polymerization of insulin is (A) Copper (B) Zinc (C) Cobalt (D) Manganese

Last Answer : Answer : B

Description : Metal required for polymerization of insulin is (A) Copper (B) Chromium (C) Cobalt (D) Zinc

Last Answer : Answer : D

Description : High iodine value of a lipid indicates (A) Polymerization (B) Carboxyl groups (C) Hydroxyl groups (D) Unsaturation

Last Answer : Answer : D

Description : Hydrocarbons are decomposed into smaller hydrocarbons by a) reforming b) refining c) cracking d) polymerization

Last Answer : Answer: c Explanation: Hydrocarbons are decomposed into smaller hydrocarbons by cracking while the molecular structure of the straight-run gasoline is changed by reforming.

Description : The production of ammonia is important because it is used in the (a) manufacture of proteins by polymerization (b) preparation of soaps (c) manufacture of artificial foods (d) production of fertilizers

Last Answer : Ans:(d)

Description : The process involved in making soap is (1) Saponification (2) Hydrolysis (3) Condensation (4) Polymerization

Last Answer : (1) Saponification Explanation: Saponification is a process that produces soap, usually from fats and lye. In technical teens, saponification involves base (usually caustic soda NaOH) hydrolysis ... of a carboxylate. In addition to soap, such traditional saponification processes produces glycerol.

Description : The process of union of two or more molecules of a substance to form a large single molecule is called : (1) Fusion (2) Diffusion (3) Polymerization (4) Synthesis

Last Answer : (3) Polymerization Explanation: Polymerisation is the chemical process of monomers joining together to form polymers, often it takes many thousands of monomers to make a single polymer.

Description : Polymerization helps to improve the property of (A) Strength (B) Rigidity (C) Elasticity (D) All of these

Last Answer : Answer: Option D

Description : For obtaining vinyl chloride acetate, the method used, is (A) Addition polymerization (B) Condensation polymerization (C) Co-polymerization (D) None of these

Last Answer : Answer: Option C

Description : Which one of the following polymers is obtained from condensation polymerization? (A) Phenol formaldehyde (B) Carbamide (C) Melamine-formaldehyde (D) All of these

Last Answer : Answer: Option D

Description : The method of addition polymerization is used for obtaining: (A) Polystyrene (B) Polypropylene (C) Polyvinylchloride (D) All of thesea

Last Answer : Answer: Option D

Description : Vinca alkaloids exert antitumor activity by: A. Activating topoisomerase II to cause breaks in DNA strands B. Crosslinking DNA strands C. Inhibiting DNA mediated RNA synthesis D. Inhibiting polymerization of tubulin to form intracellular microtubules

Last Answer : D. Inhibiting polymerization of tubulin to form intracellular microtubules

Description : Differentiate between addition and condensation polymerization process.

Last Answer : Differentiate between addition and condensation polymerization: Addition polymerization Condensation polymerization Produces by addition of monomers Produces by condensation of monomers Monomers must have ... multiple of monomers e.g. Polypropylene e.g. Bakelite

Description : Explain the condensation polymerization for phenyl formaldehyde. 

Last Answer : Condensation polymerization for phenol formaldehyde: Phenol formaldehyde resins are synthetic polymers obtained by the reaction of phenol with formaldehyde(Bakelite). used for the production of molded products including ... gives a methylene bridge, and the second forms an ether bridge: 

Description : Explain addition polymerization for polystyrene.

Last Answer : Explain addition polymerization for polystyrene. Ans : Synthesis - Styrene (C6H5CH=CH2) , undergoes addition polymerization to form polystyrene , --( C6H5CH=CH2)- It is prepared by the ... is stronger than the π bond that was broken, thus it is difficult to depolymerize polystyrene. 

Description : Restriction enzymes are used in one of these techniques: (a). Sequencing (b). Genotyping (c). RFLP (d). Polymerization

Last Answer : Ans: (c). RFLP

Description : Coacervates were formed by a) DNA b) Radiations c) Polymerization d) Polymerisation and aggregation

Last Answer : d) Polymerisation and aggregation

Description : Define polymerization. Explain addition polymerization with at least one example.

Last Answer : Polymerization: - The process in which a large number of small molecules (monomers) linking together to form a large molecule (polymer) under specific conditions of temperature, pressure & catalyst is ... catalyst. iv) No byproduct is obtained. v) It yields polymer having linear chain structure.