Home
JEE Chemistry
Hybridization of Carbon

Hybridization of Carbon

Hybridization is a concept that emerged to better explain molecular structures by combining atomic orbitals in a way that aligns with experimental observations.

The concept of hybridization in chemistry was introduced to explain the structure of molecules in a way that is consistent with both experimental observations and quantum mechanics. Hybridization is a model that combines atomic orbitals to form new, hybrid orbitals that better describe the geometry and bonding in molecules. Let’s understand this concept in detail with the help of the Hybridization of Carbon compounds. 

1.0Hybridization of Carbon in Organic Compound

Hybridization in carbon is a foundational concept in organic chemistry, elucidating how carbon atoms create bonds and adopt specific structures. Carbon atoms undergo hybridization, combining various orbitals to form equivalent sets for bonding. The primary types of hybridization in carbon are sp3, sp2, and sp. 

2.0Overview of Hybridization in Carbon

Hydrocarbon

Name of Compound

Number of σ    Bonds

        Hybridization

        Shape

Methane

Methane

   4

 sp³

    Tetrahedral

Ethene

      Ethene

           3

              sp2

  Trigonal Planar

Ethyne

    Ethyne

       2

             sp

   Linear

3.0Hybridization in Carbon

 Let’s understand Hybridization in different Carbon compounds :

1. Methane, CH₄ :

  • Carbon's ground state electronic configuration: 1s² 2s² 2p².
  • In the ground state, carbon has only two unpaired electrons and can form two bonds.

Hybridization in methane

  • Through excitation, an electron moves from a paired 2s orbital to an empty 2p orbital, resulting in four unpaired electrons.
  • However, using only 2s and 2p orbitals leads to uneven bond lengths.

Hybridization in methane

Hybridization (sp³) mixes 2s, 2px, 2py, and 2pz orbitals, forming four identical sp³ hybrid orbitals.

These sp³ orbitals result in the tetrahedral shape of methane.

2. Ethene, C₂H₄:

  • Carbon in ethene forms three sigma bonds and one pi bond.

Hybridization of ethene

  • H-C-H bond angle = 117.6°
  • H-C-C bond angle = 121°      
  • Bond length (C=C) = 134 pm
  • Bond length (C-H) = 108 pm
  • Hybridization (sp²) involves mixing 2s, 2px, and 2py orbitals to form three identical sp² hybrid orbitals.

Hybridization of ethene

  • These sp² orbitals lead to a trigonal planar shape.

Hybridization of ethene

The unhybridized 2pz orbital is used in pi bond formation.

3. Ethyne, C₂H₂:

  • Carbon in ethyne forms two sigma bonds and two pi bonds.
  • Hybridization (sp) involves mixing 2s and 2px orbitals to form two identical sp hybrid orbitals.

Ethyne

  • These sp orbitals result in a linear shape.
  • The unhybridized 2py and 2pz orbitals are used in pi bond formation.

Frequently Asked Questions

Hybridization in carbon is a phenomenon where the atomic orbitals of a carbon atom combine to form new hybrid orbitals. These hybrid orbitals have different shapes and energies compared to the original orbitals and are involved in the formation of chemical bonds.

Carbon undergoes hybridization to achieve a more stable and predictable geometry in molecules. It allows carbon to form strong sigma bonds by mixing its available atomic orbitals, contributing to the overall structural integrity of organic compounds.

Hybridization determines the arrangement of atoms in a molecule, influencing its geometry. For instance, sp³ hybridization leads to a tetrahedral shape, sp² to a trigonal planar shape, and sp to a linear shape.

Join ALLEN!

(Session 2024 - 25)


Choose class
Choose your goal
Preferred Mode
Choose State

Related Article

Hybridization of CH4 & important Properties of Methane

Let’s understand an In-depth analysis of CH4 Molecular Hybridization, sp3 Hybridization of Carbon in Methane Compounds.

Hybridization of Carbon dioxide- Structure of CO2 and Properties

Hybridization of Carbon dioxide, Let's explore more about shape and lewis structure of CO2, Molecular Geometry of CO2, Physical and Chemical Properties of CO2

What is Hybridization of BF3 - Structure and Geometry of BF3

Boron trifluoride: Understand Hybridization of BF3, additionally learn molecular shape and bond angles of Boron trifluoride (BF3)

Let’s understand Hybridization of BCl3, an important molecular concept.

Understand an important chemical phenomenon, Hybridization of BCl3, Along with geometry and bonding in BCl3 and Important properties of BCl3

Understanding the Hybridization of XeF4

Let’s Understand how the sp³d² hybridization of xenon leads to a square planar molecular shape while describing the bond angles and other characteristics.

Hybridization of BrF3- Structure and Molecular Geometry.

Learn how to find the hybridization of Bromine trifluoride, Along with BrF3 molecular geometry and Bond angles, Physical and Chemical Properties.

Allotropes of Carbon: Definition, Types and Structural Insights

Learn about the meaning of allotropes of Carbon. Explore the Types of Allotropes of Carbon and structure of Carbon allotrope in detail.

Hybridization of Graphite: Bonding & Structure of Graphite.

Hybridization of Graphite: Learn Hybridization of Graphite along with Graphite’s geometry and structure in detail.

Sigma and Pi Bond: Bond Characteristics & Formation

Sigma bonds involve direct overlap of orbitals along the bond axis, whereas pi bonds result from the lateral overlap of orbitals. Learn the difference between sigma and pi bonds.