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What do you understand by temperature independence paramagnetism?Ans) Compounds which are expected to be diamagnetic may exhibit this kind of weak paramagnetism. It arises from a second-order Zeeman effect in which additional splitting, proportional to the square of the field strength, occurs. It is difficult to observe as the compound inevitably also interacts with the magnetic field in the diamagnetic sense. Nevertheless, data are available for the permanganate ion.[13] It is easier to observe in compounds of the heavier elements, such as uranyl compounds.
Nitrite rubbers (Gr-A or Buna-N or NBR): Nitrite rubber is prepared by the copolymerization of butadiene and acrylonitrile in emulsion systems. Properties: 1.
what is bomb calorimeter in detail?
What do you understand by molar conductivity at infinite dilution
The electronic configuration of an element with atomic number 7 i.e. nitrogen atom is; (1) 1s 2 , 2s 1 , 2p 3 x (2) 1s 2 , 2s 2 , 2p 2 x ,
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
Q. Briefly explain acid-base titration ? Ans. A valuable laboratory technique used by chemists is called an acid-base titration. A titration is a process in which the c
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom: (1) He + (n= 2) (2) Li 2+ ( n= 2) (3) Li 2
application of polarogrophy in deatails
What is hydrometallurgy
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
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