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How many unpaired electrons are present in Ni 2+ cation (atomic number = 28): (1) 0 (2) 2 (3) 4 (4) 6 Ans: 2
Q. Describe about states of matter? Under usual conditions matter exists in three different physical forms called the states of matter -solid or liquid or gas. Solid matter
Iodoform or tri-iodomethane, CHI 3 Industrial preparation Iodoform is ready on large scale by electrolysis of a solution consisting of ethanol, potassium iodide and sodium
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
Number of electron does species have The H2 2- ion can be conceived to result from the combination of two hydride ions (H-). This species have four electrons; two occupy the b
#question:- What are the theories of catalysis?
how to count two oxidation no. of Cl in Ca(OCl)Cl?
Figure states energy differences for the combustion of hydrogen, an exothermic chemical reaction. The combination of oxygen gas and nitrogen gas to form nitrogen monoxide is an exa
Q. Describe the Charles Law and show graph between temperature and volume? Ans. Charles' law describes the relationship between the temperature and the volume of a gas
Theory of Meta directing group The substituent, S takes electrons from para and ortho positions. So, m-position becomes a position of comparatively high electron density and fu
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