Question

What is Bond order???

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Answer 1

Answer:

Bond order, as introduced by Linus Pauling, is defined as the difference between the number of bonds and anti-bonds. The bond number itself is the number of electron pairs between a pair of atoms.

Answer 2

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The number of bonds formed between the two bonded atoms in a molecule is called the bond order. In Lewis theory, the bond order is equal to the number of shared pair of electrons between the two bonded atoms. For example in hydrogen molecules, there is only one shared pair of electrons and hence, the bond order is one. Similarly, in $H_2$O, HCl, Methane, etc the central atom forms single bonds with bond order of one.