3
THE COVALENT BOND
In CHAPTER 3 (20 pages) the basis for the balloon picture of the hybridized orbital, the distinction between non –bonding orbitals and lone pair electrons, the meaning of the multi-centric molecular orbitals and the reason why the act of depositing two electrons in the inter-nuclear region leads to lowering of energy are vividly discussed.
Works of D.R. Herchbach, Y.T. Lee and J.C. Palanzc (1986) and the experiment conducted by Ahmed H. Zewail at the California Institute of Technology (1998) also are given. It is a very useful chapter for those who study or handle Valence Bond Theory and Molecular Orbital Theory. About 50 percent of this chapter is conventional but style somewhat different. The rest cannot be found in any other book.
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