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Discuss comprehensively why -Cl and -NO2 are
deactivators and why -Cl is a weak and -NO2 a
strong deactivator?
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- Why are particular orientation effects observed? Why are some groups ortho,para directors and some groups meta directors?Nitration of nitrobenzene yields mainly the meta product. Please show why the sigma complex is lower in energy for substitution at meta position than it is for substitution at the ortho and para positions.Explain why is the formation of some isomers become more favorable over the others. As an example, why are the products that are para are more favorable than products that are ortho (with regards to para-ortho-meta directors).
- Rank A, B, and C in order of increasing SN1 reactivity.Why cis-Ru(II)Cl2(DMSO)4 reacts with pyridine, et cetera, to give substitution of the DMSO but not the chloride ligands, but trans-Ru(II)Cl2(py)4 react with suitable Na+ and K+ salts in aqueous pyridine to afford chloride-substituted derivatives. write the reactions equations.Draw all the resonance forms for the sigma complexes corresponding to bromination ofaniline at the meta, and para positions
- Using the trans effect sequence given in the text, devise rational procedures for selectively synthesizing each of the three isomers of [Pt(py)NH3NO2Cl].Discuss comprehensively whether the circledfunctional group is an activator or deactivatorduring SEArExplain Ortho, para directors and activators ?
- 1. The of alka zeltzer in iced water will give a result and observation of _________. alka zetltzer dissolved readily alka zeltzer partially dissolved No reaction 2. In the Le Chatelier's Principle, Co(H2O)6 with oxidation of +2 is _________ in color. blue violet pinkList the following in increasing order of nucleophilic strength. CH3COO-, H2O, CH3O-, OH-, CH3CH20-Draw the sigma complex for the formation of the bromonium electrophile with proper resonance forms for the meta bromination of toluene and for the para bromination of toluene.