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Considering z - axis as the internuclear...

Considering z - axis as the internuclear axis, which of the following will not form sigma bond?
(a) `2s and 2s` (b) `2p_(y) and 2p_(y)` (c ) `2s and 2p_(z)` (d) `2p_(x) and 2p_(z)` (e) `2p_(z) and 2p_(z)`.

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To determine which of the given pairs of atomic orbitals will not form a sigma bond, we need to understand the concept of sigma bonds and how different orbitals overlap. ### Step-by-Step Solution: 1. **Understanding Sigma Bonds**: - Sigma bonds are formed by the head-on (axial) overlap of atomic orbitals along the internuclear axis. This means that for a bond to be classified as a sigma bond, the orbitals must overlap directly along the line connecting the two nuclei. 2. **Analyzing Each Option**: ...
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