The bond order of a molecule is given bya)The difference between the n...
Bond Order in Molecules
The bond order of a molecule is defined as half the difference between the number of electrons in the bonding and antibonding orbitals.
Mathematically, Bond Order = 1/2 (Number of Electrons in Bonding orbitals – Number of Electrons in Antibonding orbitals)
Explanation:
Bonding orbitals are formed due to the overlap of atomic orbitals in a molecule. These orbitals have lower energy and contribute to the stability of the molecule.
Antibonding orbitals, on the other hand, are formed when the atomic orbitals overlap with opposite phases, and they have higher energy than the corresponding atomic orbitals. They destabilize the molecule.
The number of electrons in these orbitals is determined by the electronic configuration of the molecule. The bond order is a measure of the strength of the bond between two atoms in a molecule. A higher bond order indicates a stronger bond, while a lower bond order indicates a weaker bond.
For example, the bond order of nitrogen molecule (N2) is 3, as there are three bonding orbitals and no antibonding orbitals. This indicates a strong triple bond between the two nitrogen atoms.
In contrast, the bond order of oxygen molecule (O2) is 2, as there are two bonding orbitals and two antibonding orbitals. This indicates a weaker double bond between the two oxygen atoms.
Conclusion:
The bond order is an important concept in chemistry as it provides information about the strength of the bond between two atoms in a molecule. It is calculated based on the number of electrons in the bonding and antibonding orbitals. The formula for calculating bond order is Bond Order = 1/2 (Number of Electrons in Bonding orbitals – Number of Electrons in Antibonding orbitals).
The bond order of a molecule is given bya)The difference between the n...
It is a factual formula proved by scientist beyond our scope .so better memories it .
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