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The table below gives intrinsic viscosity values explained by viscometry and weight- average molar mass values explained under the similar conditions by static light scattering
What are the Mark-Houwink parameters for this polymer? Write the applicability of the Mark-Houwink model to this polymer?
some examples of RELATIVE MOLECULAR MASS OF SOLUTES BY RELATIVE LOWERING OF VAPOR PRESSURE
Compound A has the molecular formula C 4 H 8 O 2 . Figure 1 gives the infrared spectra of compound A. Table gives the chemical shifts and multiplicity data of the broad-ban
The electronic configuration 1s 2 , 2s 2 , 2p 1 x , 2p 1 z : (1) Oxygen (2) Nitrogen (3) Hydrogen (4) Fluorine Ans: Nitrogen
Q. Important applications of indium? The most important applications of indium are in protection of bearings against wear and erosion in low melting alloys and in electronic de
Why p-nitro toluene is higher boiling point than o-nito toluene ? Ans) The term hydrogen bonding is used to define dipole-dipole attractive forces of this type. The proton invol
Reactions of Alkaline earth metals with oxygen: Write the reactions of any two elements of group II A with oxygen. Ans. Alkaline earth metals react with oxygen to form corr
How will do project work on purification of organic compounds by crystalization and distillation from water and alcohol?
trend of atomic size
Q. Illustrate Structure of the Water Molecule? Ans. A water molecule is composed of two hydrogen atoms and one oxygen atom covalently bonded together. The following anim
Q. Describe about Dioxides? These are generally obtained by heating the element in air. The dioxides of Se and Te can also be prepared by treating the element with conc. HNO, f
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