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What’s the bond order of Oxygen?(a) 3(b) 2(c) 1(d) 0This question was posed to me in an interview for internship.This interesting question is from Molecular Orbital Theory topic in division Chemical Bonding and Molecular Structure of Chemistry – Class 11

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Correct OPTION is (B) 2

The explanation is: The formula of bond ORDER is given by ^1⁄2(NB – NA) When NB is BONDING orbitals and NA is the NUMBER of anti-bonding orbitals. In Oxygen, bond order = 1/2(10-6) = 2. When it’s zero the molecule cannot be formed.



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