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An Lewis acid-base dissociation of the bromide-essentially an SN1 reaction-gives an a-hydroxy carbo-cation, which is, by resonance, also the conjugate acid of acetophenone. Deprotonation by bromide ion provides the ketone and HBr.
Sometimes more than one valence structure is possible and there shows to be no unique assignment. A familiar organic example is in the disposition of single and double C-C bonds in
1. Write an easy on the classification of Phylum Protozoa, a large phylum comprising approximately 50,000 species. (10marks)
explain dualnature of electron
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
The number of neutron in tritium is : (1) 1 (2) 2 (4) 3 (4) 0 Ans: 2
Chemical reactions of glycerol.
Explain the following terms: (a) Asymmetric molecule (b) R and S notations
What r the requirements for a good refractory material
how to prepare a dicarboxylic ?
Q. Illustrate modern atomic model of De Broglie? 1. Electrons inhabit the space surrounding the nucleus and can exist in several discrete principal energy levels each designate
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