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Home > News & Articles > Types of Hybridization: Definitions, Examples, Key Features, Steps to Determine, Shapes, and Rules
Updated on 31st July, 2023 , 7 min read
When the valence bond theory falls short of adequately explaining chemical bonding, the idea of hybridization is applied. Chemistry defines hybridization as the idea of combining two atomic orbitals to create a new class of hybridized orbitals. Typically, this mixing creates hybrid orbitals with completely distinct energies, morphologies, etc. On the other hand, we may claim that the idea of hybridization is an expansion of the valence bond theory and that it aids in our understanding of how bonds form and how they differ in length and energy.
When two atomic orbitals join to generate a hybrid orbital in a molecule, the energy of the individual atoms' orbitals is redistributed to give orbitals of equivalent energy. We refer to this process as hybridization. The atomic orbitals with equivalent energies are mixed together during the hybridization process, which mostly includes the fusion of two s orbitals, two p orbitals, or the mixing of an s orbital with a p orbital or a d orbital. Hybrid orbitals are novel orbitals that are created as a result. More importantly, hybrid orbitals are very helpful in describing the characteristics of atomic bonds and molecular geometry.
For example,an atom of carbon creates four single bonds in which three valence-shell p orbitals and one valence-shell s orbital combine. The result of this combination is the creation of four comparable sp³ mixes. Around the carbon, which is bound to four distinct atoms, they will be arranged in a tetrahedral configuration.
The following are some of the key features of the different types of hybridization-
The following guidelines must be followed in order to comprehend the kind of hybridization in an atom or an ion-
The sorts of orbitals involved in the mixing may be used to categorize the hybridization as sp³, sp², sp, sp³d, sp³d², and sp³d³. The following are some of the forms of hybridization with examples of each-
Type of Hybridization | Description | Examples | Features |
sp |
One kind of hybridization called sp hybridization only affects the 1s and 1p orbitals of the same element. | All beryllium compounds, such as BeF₂, BeH₂, and BeCl₂, and any compounds with a triple bond, including carbon, such as C₂H₂. |
|
sp² |
Sp² hybridization produces three new sp² hybrid orbitals with equal energies, maximum symmetry, and a predetermined orientation in space by combining and recasting the same atom's virtually identical 1s and 2p orbitals. |
All of the boron compounds, including BF₃and BH₃, Ethylene (C₂H₄) is the only carbon molecule that has a carbon-carbon double bond. |
|
sp³ |
It involves combining and recasting the 1s and 3p orbitals of the same element to create a new hybrid orbital with the same energy,symmetry, or fixed orientation in space. |
The gases ethane (C₂H₆) and methane are examples of sp3 hybridization. |
|
sp³d |
When 1s and 3p orbitals of the same elements combine and are recast to create hybrid orbitals with the same energies or the same orientation in space, this hybridization is known as sp³d. One kind of molecule is PCl5. Five sp³d hybrid orbitals are created when the central phosphorus atom in PCl5 undergoes sp3d hybridization. |
IF5, XeF4, PBr5, AsCl5etc. |
|
|
When 1s, 3p, and 2d orbitals of the same element merge and are recast, hybrid orbitals with the same energy and identical spatial orientation are created. This process is known as sp³d² hybridization. |
SF6. |
|
sp³d³ |
It has 3d, 3p, and 1s orbitals that come together to create 7 identical sp³d³ hybrid orbitals. The corners of a bipyramidal pentagon are shown by these seven orbitals. | IF7 |
- |
The following are some of the shapes and types of hybridization-
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The methods listed below are used to determine an ion's or a chemical's kind of hybridization-
The idea of hybridization aids in comprehending molecular structure and form. The following table summarises the molecular shapes-
Types of Hybridization | Hybridization Participating Orbitals in Number | Shape |
sp | Linear | 2 (1s + 1p) |
sp² | Planar Trigonal | 3 (1s + 2p) |
sp³ | Tetrahedral | 4 (1s + 3p) |
By combining atomic orbitals to create new hybrid orbitals that are suitable for electron pairing to make chemical bonds in valence bond theory, we may infer from the material that has come before that hybridization is a mathematical concept. When an entirely new orbital is different from its component orbitals, a hybrid orbital is created.
Creating a variety of hybrid orbitals with the same shape, electricity, or orientation and the least amount of repelling force between them requires hybridization, which is the mixing of atomic orbitals of different shapes and then virtually similar electricity. At its core, this combination is a result of quantum mechanics. The optimum atomic orbitals to engage in hybridization are those with the same power level. If supplied with the same amount of power, both fully and partially occupied orbitals might take part in this activity. During the hybridization process, atomic orbitals with similar electrical properties are combined, including two's' or 'p' orbitals, an's' orbital and a 'p' orbital, and an's' orbital and merely a 'd' orbital.
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By - Nikita Parmar 2023-08-25 09:48:44 , 11 min readAns. Molecular orbitals are created when the atomic orbitals of two separate atoms interact, whereas hybrid orbitals are created when the atomic orbitals of the same atom interact.
Ans. Five main types of hybridization appear to be linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral. The geometry of the orbital arrangement is as follows: Linear: Two-electron groups are involved in sp hybridization, and the angle between orbitals is 180°.
Ans. In sp, sp², and sp³ hybridized carbon, the proportion of the s character is 50%, 33.33%, and 25%, respectively. The s orbital is uniformly drawn to the nucleus from every angle because of its spherical shape. A hybrid orbital with a higher s-character will thus be more electronegative and closer to the nucleus. Therefore, sp hybridized carbon is more electronegative than sp² and sp³ in comparison.
Ans. Two and one unhybridized p orbitals, respectively, are produced by the sp and sp² hybridizations, whereas none are produced by the sp3 hybridization.
Ans. One s and one p atomic orbital combine to form the sp hybridization, one s and two p atomic orbitals combine to form the sp² hybridization; and one s and three p atomic orbitals combine to form the sp³ hybridization.
Ans. If the atom is either surrounded by two or more p orbitals or contains a lone pair that may jump into a p orbital, the overall process of hybridization will vary. As a result, in the instance of an amide molecule, the lone pair enters a p orbital to create three parallel p orbitals that are next to one another.
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