The article traces the history of tetraethyllead (TEL) from its discovery as an antiknock agent in gasoline till its worldwide ban. It is worth revisiting how a much applauded discovery of science actually turned out to be a doom for mankind causing severe health hazards to generation after generation over a period of about 75 years. The article highlights the discovery, synthesis and antiknock properties of tetraethyllead, along with its severe toxic effects to human body which finally resulted in is ban. It also examines the phaseout and ban of tetraethyllead from the viewpoint of the Environmental Kuznets curve. In addition, the article discusses the importance of prohibition of leaded gasoline from a social perspective. It puts forward the relation between the use of tetraethyllead and violence in the society. Also, it explores how tetraethyllead caused a drop in IQ level, especially among children.
Reaction of bis-2,3-(2-pyridyl)pyrazine (L) with [Ru(dmso) 4 DFT studies reveal that the HOMO of the complexes is mostly based on the metal center while the LUMO has maximum contribution from the bonded 4-picoline ligand. Cyclic voltammetry on these complexes shows a Ru(II)-Ru(III) oxidation on the positive side of SCE followed by a reduction of the coordinated 4-picoline ligand on the negative side of SCE.
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