Features of Hybridization

  • Hybridization occurs between atomic orbitals with equal energies.
  • The number of hybrid orbitals formed equals the number of atomic orbitals that mix.
  • It is not required for all half-filled orbitals to participate in hybridization. Even orbitals that are completely filled but have slightly varying energy can participate.
  • Hybridization occurs only during bond formation, not in a single gaseous atom.
  • If the hybridization of the molecule is known, the molecule’s shape can be predicted.
  • The larger lobe of the hybrid orbital is always positive, while the smaller lobe on the opposite side is always negative.

Hybridization

The concept of hybridization is defined as the process of combining two atomic orbitals to create a new type of hybridized orbitals. This intermixing typically results in the formation of hybrid orbitals with completely different energies, shapes, and so on. Hybridization is primarily carried out by atomic orbitals of the same energy level. However, both fully filled and half-filled orbitals can participate in this process if their energies are equal. The concept of hybridization is an extension of valence bond theory that helps us understand bond formation, bond energies, and bond lengths.

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What is Hybridization?

When two atomic orbitals combine to form a hybrid orbital in a molecule, the energy of the orbitals of individual atoms is redistributed to give orbitals of equivalent energy. This is known as hybridization....

Features of Hybridization

Hybridization occurs between atomic orbitals with equal energies. The number of hybrid orbitals formed equals the number of atomic orbitals that mix. It is not required for all half-filled orbitals to participate in hybridization. Even orbitals that are completely filled but have slightly varying energy can participate. Hybridization occurs only during bond formation, not in a single gaseous atom. If the hybridization of the molecule is known, the molecule’s shape can be predicted. The larger lobe of the hybrid orbital is always positive, while the smaller lobe on the opposite side is always negative....

Types of Hybridization

Hybridization can be classified as sp3, sp2, sp, sp3d, sp3d2, or sp3d3 based on the types of orbitals involved in mixing....

Shapes of Hybridization

Linear: The sp hybridization is caused by the interaction of two-electron groups; the orbital angle is 180°. Trigonal planar: Three electron groups are involved, resulting in sp2 hybridization; the orbitals are 120° apart. Tetrahedral: Four electron groups are involved, resulting in sp3 hybridization; the orbital angle is 109.5°. Trigonal bipyramidal: Five electron groups are involved, resulting in sp3d hybridization; the orbital angles are 90° and 120°. Octahedral: Six electron groups are involved, resulting in sp3d2 hybridization; the orbitals are 90° apart....

FAQs on Hybridization

Question 1: Among sp, sp2, and sp3, which hybrid orbital is more electronegative?...

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