Briefly explain the Valence Bond Theory (VBT) | vedclass

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(N/A) According to this theory,the metal atom or ion under the influence of ligands uses its $(n-1)d, ns, np$ or $ns, np, nd$ orbitals for hybridizati

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(N/A) According to this theory,the metal atom or ion under the influence of ligands uses its $(n-1)d, ns, np$ or $ns, np, nd$ orbitals for hybridization to produce a set of equivalent orbitals of definite geometry such as octahedral,square planar,and others (as shown in the table below).

Coordination Number	Type of Hybridization	Distribution of Hybrid Orbitals in Space
$4$	$sp^3$	Tetrahedral
$4$	$dsp^2$	Square planar
$5$	$sp^3d$	Trigonal bipyramidal
$6$	$sp^3d^2$	Octahedral
$6$	$d^2sp^3$	Octahedral

These hybrid orbitals are allowed to overlap with ligand orbitals that can donate electron pairs for bonding.

Coordination number and type of hybridisation	Distribution of hybrid orbitals in space
$a. 4, sp^3$	$i. \text{trigonal bipyramidal}$
$b. 4, dsp^2$	$ii. \text{octahedral}$
$c. 5, sp^3d$	$iii. \text{tetrahedral}$
$d. 6, d^2sp^3$	$iv. \text{square planar}$

Briefly explain the Valence Bond Theory $(VBT)$.

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