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Branched chain polymers - Classification of polymers
These are polymers where the monomers are connected to make long chains with side chains or branches of dissimilar sizes. These branched chain polymers are not frequently bounded and hence, they have minimum tensile power, boiling point, low density, and melting points than linear polymers. Some common instances are low density polythene, starch, glycogen etc. (Amylopectin).
Which of the following sets of quantum numbers is not allowed : (1) n=1, l=0,m=0 s= +1/2 (2) n=1, l=1,m=0 s= -1/2 (3) n=2, l=1,m=1 s= +1/2
1. For what fraction of annual CO 2 emissions from fossil fuel burning are automobiles responsible? 2. A 1000-kg car travels 1.6 × 10 4 km/yr. What is the ratio of the mass of
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
Benzene hexa chloride reaction
I think you are talking about aniline(Nitrogen containing compounds) . If so then no, they do not undergo friedel craft as nitrogen donates its lone pair to form a complex and do
Formation of esters (Esterification) (1) The reaction is shifted to the right via using excess of alcohol or removal of water by distillation. (2) The re
how caustic soda preparaed at lab scale?explain with labelled diagram?
1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any
reaction of cycloaddition reactions
principle of EDTA method
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