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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.
How does crystallography help in study of crystal structure
Chromium has the electronic configuration 4s 1 3d 5 rather than4s 2 , 3d 4 because: (1) 4s and 3d have the same energy (2) 4s has a higher energy than 3d (3)4s 1 is
The main reaction during electrovalent bond formation is: (1) Redox reaction (2) Substitution reaction (3) Addition reaction (4) Elimination reaction Ans: Redox re
at what temperature centigrade will the volume of a gas at 0 degrees Celsius double itself pressure remaining constant
If 8686 C of charge is passed through molten magnesium chloride, calculate the number of moles of Mg(l) produced
How do we extract group one alkali metals?
(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer
Q. What are the characteristics of drinking water? Sol. Characteristics of drinking water: (1) It should be colourless and odourless. (2) It s
Liebermann's nitroso reaction While phenol is reacted with NaNO 2 and concentrated H 2 SO 4 , it provides a deep green or blue colour which changes to red on dilution with wa
why is the mass of acid measured not the volume?
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