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Chain transfer agents
In Vinylic polymerisation several other molecules react along with main growing chain to interrupt the additional growth of the original chain. This takes lowering of average atomic mass of the polymer such types of reagents are known chain transfer agents. The general example CCl4, CBr4 etc
For instance in the existence of CCl4 styrene polymerizes to make a polymer of lower average molecular mass that as well consists of some chlorine.
complete discription of van''t hoff factor
The ph of an aqueous solution of Ba(OH)2 is 10 if the ksp of Ba(OH)2 is 1*10^-9 then the concentration of Ba+2 ions in the aqueous solution is Ans) [OH(-)] = 10^(-4) 2.
How to explain failure of octet rule?
Three-center bonding Example of where the 2c bonding picture is not present is in diborane B2H6. The terminal B-H bonds can be defined in simple 2c terms, but the number of
The total number of unpaired electrons in d- orbital's of atoms of element of atomic number 29 is: (1) 10 (2) 1 (3) 0 (4)5 Ans: 0
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
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s block
Silver salt method for acids - Chemical methods It is based upon the fact that silver salt of an organic acid on heating provides residue of metallic silver.
It looks at how the ionic product varies with temperature, and how that ... page, we shall calculate the concentration of hydroxonium ions present in pure water. Kw is called
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