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Sigma bond strengths S-S, S-P, P-P [closed]?

Sigma bond strengths S-S, S-P, P-P [closed]?

Grade:11

4 Answers

sumit kumar
askIITians Faculty 13 Points
7 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 < s-p < p-p
so, order of bond strengths iss-s > s-p > p-p
Thanks & Regards
Sumit Kumar
askIITians Faculty
farooq anwar
15 Points
2 years ago
s-s
Krish Gupta
askIITians Faculty 82 Points
one year 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
The answer is very well explained and 
 
it is clear from the above image that the order of bond lengths is s-s
so, order of bond strengths is : s-s > s-p > p-p
 
Thanks & Regards
Krish Gupta
askIITians Faculty
Mukesh Dhaker
15 Points
10 months ago
s-s
Because energy of all orbital are same , now directional nature of orbital is dominant , hence we know p orbital is more directional than s orbital 

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