Which among the following concepts is NOT int | vedclass

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(D) $VBT$ (Valence Bond Theory) explains the formation of covalent bonds through the overlapping of half-filled atomic orbitals. It accounts for the d

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Number of lone pair and bonded pair of electrons decide the shape of the molecules.

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(D) $VBT$ (Valence Bond Theory) explains the formation of covalent bonds through the overlapping of half-filled atomic orbitals. It accounts for the delocalization of electrons between two nuclei and the partial ionic character of covalent bonds due to electronegativity differences. The concept that the number of lone pairs and bonded pairs of electrons determines the shape of molecules is introduced by $VSEPR$ (Valence Shell Electron Pair Repulsion) Theory,not $VBT$. Shielding effect is a concept related to atomic structure and effective nuclear charge,not a primary feature of $VBT$.

Which among the following concepts is $NOT$ introduced by $V.B.$ Theory?

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