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Chain growth or addition polymerisation
It includes a series of reaction each of which consumes a reactive particle and generates another similar one. The reactive molecule may be free radicals or ion (cation or anion) to which monomers get added through a chain reaction. So the polymers created are known like chain growth polymers. Chain growth polymerisation is a extremely significant reaction of alkenes and conjugated dienes or indeed of all types of compounds that consist of carbon-carbon double bond polypropylene, polybutadiene, teflon PVC, polythene, polystyrene are few of chain polymers. It is dependent upon three techniques or mechanism
(a) Free radical mechanism
(b) Cation mechanism
(c) Anion mechanism
From the EPA the current generation of methane from landfills in the USA is 12.7 MM tons per year (2009). a. Using the Global Warming Potential of the methane at 20 years, 100
Cathode rays have
Q. Halides of Boron and Aluminium? All the elements of Group 13 form binary halides. All the four trihalides of each element are known, with one exception. The compound Tl13 is
write a short note on colour and constitution
Libermaan''s nitroso reaction mechanism
The chemical reaction at one time the rate of forward and backward reaction becomes equal that state is known as Equilibrium state.
calcium acetate
Composition of Nucleic acids Nucleic acids such as proteins and carbohydrates are polymer. The simple units which make up the nucleic acid are known as nucleotides. Nucleotides
Acidic nature of monocarboxylic acids (1) Cause of acidic nature (a) A atom of carboxylic acid may be illustrated as a resonance hybrid of the following structures.
If the value of azimuthal quantum number is 3, the possible values of magnetic quantum number would be: (1) 0, 1, 2, 3 (2) 0, - 1, - 2, - 3 (3) 0 ± 1± 2,± 3
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