4.44. Assertion: A bonding molecular orbital always possesses lower energy than either of the atomic orbitals that have combined to form it.
Reason: Electrons placed in a bonding molecular orbital tend to destabilise a molecule.
4.44. Assertion: A bonding molecular orbital always possesses lower energy than either of the atomic orbitals that have combined to form it.
Reason: Electrons placed in a bonding molecular orbital tend to destabilise a molecule.
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1 Answer
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4.44. (c) R is an incorrect statement. Electrons placed in a bonding molecular orbital tend to hold the nuclei together and stabilise a molecule. Therefore, a bonding molecular orbital alwayspossesses lower energy than either of the atomic orbitals that have combined to form it.In contrast, the electrons placed in the antibonding molecular orbital destabilise the molecule.
This is because the mutual repulsion of the electrons in this orbital is more than the attraction between the electrons and the nuclei, which causes a net increase in energy.
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