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What is the order of overlapping of sigma and pi bonds ?

What is the order of  overlapping of sigma and pi bonds ?

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Arun
25750 Points
5 years ago
 
Strength of bonds depends on its bond length. Smaller the length of bond, higher will be its strength.
First of all let me tell you that all the sigma bonds are more stronger than pi bonds. This is because sigma bonds are formed by head on overlapping of the orbitals which are more effective than the sideway overalapping of orbitals in case of pi bonds.
 
Sigma bonds are further classified as s-s , s-p & p-p bonds.
s-s bonds are formed by overlapping of two s orbitals.
p-p sigma bond is formed by overlapping of two p orbitals and
s-p sigma bonds are formed by overlappig of one s and one p orbita.
246-1315_sigma-bond-formation-s-s-overlep-s-p-overlap-pz-pz-overlap.gif
as it is clear from the above image that the order of bond lengths is s-s

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