Answer
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Hint: In order to answer this question, to know the molecules whose structure are not explained by VBT, we will first name the molecule structure and then we will explain the VBT concept or working mechanism.
Complete answer:
Water molecule structure is not explained by VBT.
There are others molecule structure that doesn’t explain by VBT i.e. Methane and Ammonia molecule structure.
As we know, VBT is none other than Valence Bond Theory.
According to VBT theory, a metal atom or ion may use its \[\left( {n - 1} \right)d,ns,np,or{\text{ }}ns,np\] , and orbitals for hybridization to yield a range of identical orbitals of definite geometry such as octahedral, tetrahedral, square planar, and so on when it is influenced by ligands. The ligand orbitals that can contribute electron sets for bonding are allowed to overlap with these hybrid orbitals.
Efficacy Chemical bonding plays a role in deciding the shapes of molecules, according to bond theory. It states that when two atoms' half-filled orbitals collide, the electrons pair up as a result of the collision. A covalent bond is formed as a result. The overlapping of orbitals determines the bond frequency. The stronger the bond, the greater the overlap. The two types of overlapping orbitals are discussed in VBT. When orbitals in the internuclear axis overlap, a sigma bond is formed. The formation of a pi bond occurs when two unhybridized \[p-orbitals\] collide. A single covalent bond has one sigma bond, a double covalent bond has one sigma and one \[\pi - bond\] , and a triple covalent bond has one sigma and two \[\pi - bonds\] .
Note:
VBT is a relatively new treatment that is used in a limited number of cases, mostly in younger patients, and necessitates thorough evaluation and high-quality follow-up results. Researchers must prove that the technique achieves a safe correction while maintaining flexibility and long-term maintenance of the correction.
Complete answer:
Water molecule structure is not explained by VBT.
There are others molecule structure that doesn’t explain by VBT i.e. Methane and Ammonia molecule structure.
As we know, VBT is none other than Valence Bond Theory.
According to VBT theory, a metal atom or ion may use its \[\left( {n - 1} \right)d,ns,np,or{\text{ }}ns,np\] , and orbitals for hybridization to yield a range of identical orbitals of definite geometry such as octahedral, tetrahedral, square planar, and so on when it is influenced by ligands. The ligand orbitals that can contribute electron sets for bonding are allowed to overlap with these hybrid orbitals.
Efficacy Chemical bonding plays a role in deciding the shapes of molecules, according to bond theory. It states that when two atoms' half-filled orbitals collide, the electrons pair up as a result of the collision. A covalent bond is formed as a result. The overlapping of orbitals determines the bond frequency. The stronger the bond, the greater the overlap. The two types of overlapping orbitals are discussed in VBT. When orbitals in the internuclear axis overlap, a sigma bond is formed. The formation of a pi bond occurs when two unhybridized \[p-orbitals\] collide. A single covalent bond has one sigma bond, a double covalent bond has one sigma and one \[\pi - bond\] , and a triple covalent bond has one sigma and two \[\pi - bonds\] .
Note:
VBT is a relatively new treatment that is used in a limited number of cases, mostly in younger patients, and necessitates thorough evaluation and high-quality follow-up results. Researchers must prove that the technique achieves a safe correction while maintaining flexibility and long-term maintenance of the correction.
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