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Organic Chemistry (342) - Inorganic Chemistry (123)
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Polymer chain growth can be terminated by b-hydride elimination or by reaction with h2. What is one advantage of the h2 reaction? : Polymer Chemistry
1173What is the nature of the bonding interaction between a metal and an olefin? : Polymer Chemistry
1020What does it mean for a molecule or a ligand to be "chiral"? What properties does chirality impart to a molecule? : Polymer Chemistry
1037Explain what is meant by "c2 symmetry" and "mirror plane symmetry". Can a molecule with "mirror plane symmetry" ever be chiral? : Polymer Chemistry
1025How would you describe the orientation of the ligands around the zr center in the homogeneous zirconium catalyst? : Polymer Chemistry
1015Consider the polymerization of 1,2-dichloroethylene, h(cl)c=c(cl)h. What structural variations are possible in poly(1,2-dichloroethylene)? : Polymer Chemistry
1359Does ethylene polymerize under mild conditions in the absence of a catalyst? : Polymer Chemistry
1241Consider the polymerization of vinylidene chloride, ch2=ccl2. What structural variations are possible in poly(vinylidene chloride)? : Polymer Chemistry
1507How can chemists control which type of polyethylene (ldpe vs. Hdpe) is generated? : Polymer Chemistry
1734Head-to-tail polymerization of propylene is observed with the [cp2zr(r)]+ catalyst. Explain this result on the basis of molecular-level interactions. : Polymer Chemistry
1014
could negative ions be produced by bombardment process in mass spectrometry?
i want model written test paper for the post of analyst in IOCL(indian oil corporation ltd) any one pls help me
During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.
How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.
What is the difference between the photochemical reaction and photo-dynamic reaction?
Why potassium dichromate is used in calibration of uv?
What is mole?
How tripod is used?
How much is the standard area for glc analysis
why we use Dichlorobenzene.nitrobezine.t-butyldi sulhate.for calibration of gc Head space
why we shrink our body during cold
What can be the supporter of combustion except oxygen.
what is classification of elemental impurities? what is risk assement in elemental impurities?
What is split ratio in Gc? Splitless? how requirr to select?
in dissolution why pool sample needed? in which type of drug pool sample need?
