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If hydrogen atom is in an energy level represented by n=4,how many spectral lines are possible in its emission spectrum? Ans) There is a formula for this i.e [ (n 2- n 1 +1)
factors affecting the acidity of the aromatic carboxilic acids
I wanna knw what is alpha hydrogen and how to count it
how to find stability of carbocations in benzene ring..??? and how how to find optically inactive isomers ??? (say of--C2H5Cl) how to find the weakest C-X (carbon-halogen bond in
Applications of radiometric titrations
What is the pollution?
I read that in the first transition series,the stability of +2 oxidation state decreases from Sc to Cu.but,I observed that as we move along the 3d -series,the stability increases i
What is chemical and physical properties and uses of acid halides and acid anhydrides
Q.Illustrate the Basic structure of polymers? Ans. Polymers are large organic compounds made of regularly repeating units. Plastics are made of polymers. Polymers ar
In any atom which sub-shell will have the highest energy in the following : (1) 3p (2) 3d (3) 4s (4) 3s Ans: 3d
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