Answer :
In contrast to the σ∗ molecular orbital created by the direct out-of-phase overlap of two p orbitals, the orbital formed when the lobes of two p orbitals overlap side by side has a lower bond dissociation energy.
- The atoms come together by collisions. The process in which two atoms get so close to one another that they can pierce each other's orbitals and create a new hybridized orbital where the bonding pair of electrons resides is essentially what this condition refers to. This hybridized orbital is stable because it typically has less energy than the atomic orbital. It is in the state of least energy. Orbital overlap is the term for this little orbital penetration.
- The directionality of the bond was used to explain the molecular bond angles. The overlap of 1s orbitals during a head-on collision results in the formation of the hydrogen molecule. or we could claim that the head-on overlap is mostly responsible for the formation of the sigma bonds.
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