Distinguish between bonding molecular orbital and anti-bonding molecular orbital.


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(i)The bonding molecular orbital has lower energy and hence greater stability than the corresponding antibonding molecular orbital. 

(ii) Just as the electron probability distribution around a nucleus in an atom is given by an atomic orbital, the electron probability distribution around a group of nuclei in a molecule is given by a molecular orbital. 

(iii)The molecular orbital formed by the addition of wave functions of atomic orbitals is called the bonding molecular orbital while the molecular orbital formed by the subtraction of wave function of atomic orbital is called antibonding molecular orbital