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When hybridisation involving d-orbitals ...

When hybridisation involving d-orbitals are considered then all the five d-orbitals are not degenerate, rather `d_(x^(2)-y^(2)),d_(s^(2)) and d_(xy),d_(zx)` form two different sets of orbitals and orbitals of appropriate set is involved in the hybridisation.
In `sp^(3)d^(2)` hybridisation, which sets of d-orbitals is involved ?

A

`d_(x^(2)-y^(2)),d_(z^(2))`

B

`d_(z^(2)),d_(xy)`

C

`d_(xy),d_(yz)`

D

`d_(x^(2)-y^(2)),d_(xy)`

Text Solution

AI Generated Solution

The correct Answer is:
To determine which sets of d-orbitals are involved in sp³d² hybridization, we can follow these steps: ### Step-by-Step Solution: 1. **Understand Hybridization**: Hybridization is the process of combining atomic orbitals to form new hybrid orbitals that can accommodate bonding. In the case of sp³d² hybridization, we are combining one s orbital, three p orbitals, and two d orbitals. 2. **Identify the Geometry**: The sp³d² hybridization typically leads to an octahedral geometry. In an octahedral arrangement, the central atom is surrounded by six other atoms. 3. **Identify the d-Orbitals**: There are five d-orbitals: - \(d_{xy}\) - \(d_{yz}\) - \(d_{zx}\) - \(d_{x^2-y^2}\) - \(d_{z^2}\) 4. **Determine the Sets of d-Orbitals**: In the context of octahedral hybridization: - The orbitals \(d_{x^2-y^2}\) and \(d_{z^2}\) are oriented along the axes (x, y, z) and are involved in the hybridization. - The orbitals \(d_{xy}\), \(d_{yz}\), and \(d_{zx}\) are oriented between the axes and are not used in sp³d² hybridization. 5. **Conclusion**: Therefore, the d-orbitals involved in sp³d² hybridization are \(d_{x^2-y^2}\) and \(d_{z^2}\). ### Final Answer: The sets of d-orbitals involved in sp³d² hybridization are \(d_{x^2-y^2}\) and \(d_{z^2}\). ---
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