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The third line in Balmer series corresponds to an electronic transition between which Bohr's orbits in hydrogen: (1) 5 → 3 (2) 5 → 2 (3) 4→ 3
#question.which configuration is more stable,p3 or p6
The energy of an electron of 2py orbital is: (1) Greater than that of 2p x orbital (2) Less than that of 2p x orbital (3) Equal to that of 2s orbital (4) Same a
what are grignard reagants ? how are tthey prepared is laboratory ? what makes them so important in synthetic chemistry?
The number of electrons which can be accommodated in an orbital is: (1) One (2) Two (3) Three (4) Four Ans: Two
GROUP 14: TIN AND LEAD Tin and lead give some resemblance to the lighter elements in group 14, especially Ge. Although they are uniquely more metallic in their physical and chem
To calculate the e.m.f of the cell when does the nelsons equation is use? Ans) The Nernst equation is useful to measure the e.m.f of the cell when the concentrations of solution
Rancidification - chemical properties of oils and fats On long storage in contact along with air and moisture, oils and fats develop unlikable smell. The process is termed as r
chemical reactions that takes place during salt analysis for class 12
Q. Show Chemical properties of Thorium metal? You know that actinium and all the actinides are radioactive. Of these only uranium and thorium are extracted from ores, all other
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