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The end to end overlaping of bonding orb...

The end to end overlaping of bonding orbitals along the intermolecular axis is known as

A

sigma bonding

B

`pi` bonding

C

back bonding

D

none of the above

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To solve the question regarding the end-to-end overlapping of bonding orbitals along the intermolecular axis, we can break it down into the following steps: ### Step-by-Step Solution: 1. **Understanding Orbital Overlap**: - Orbital overlap is a key concept in chemical bonding. It refers to the region where two atomic orbitals come into contact and combine to form a bond. 2. **Identifying the Type of Overlap**: - There are two primary types of orbital overlaps: - **End-to-End Overlap** (also known as head-on overlap) - **Side-to-Side Overlap** 3. **Defining End-to-End Overlap**: - End-to-end overlap occurs when the lobes of two orbitals align along the internuclear axis. This means that the orbitals are overlapping directly in line with the bond axis between the two nuclei. 4. **Determining the Bond Type**: - The end-to-end overlap typically leads to the formation of a **sigma (σ) bond**. This is because sigma bonds are characterized by this type of direct overlap, resulting in a strong bond due to the increased electron density along the bond axis. 5. **Conclusion**: - Therefore, the end-to-end overlapping of bonding orbitals along the intermolecular axis is known as a **sigma bond**. ### Final Answer: The end-to-end overlapping of bonding orbitals along the intermolecular axis is known as a **sigma bond**. ---
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