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Why cannot pz pz orbitals form pi bonds. You are saying that it is internuclear axis, so it forms sigma bonds. But i cannot understand that. Then why cannot pxpx and pypy form sigma bonds? Please explain clearly.

Why cannot pz pz orbitals  form pi bonds. You are saying that it is internuclear axis, so it forms sigma bonds. But i cannot understand that. Then why cannot pxpx and pypy form sigma bonds? Please explain clearly. 

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1 Answers

Vikas TU
14149 Points
4 years ago
Hiii 
The sigma bond is formed by overlapping of s-s , s-pz or pz-pz .
 
Sigma bond is a covalent bond which is formed by head on overlapping of two atomic orbitals.
There can be only one sigma bond in a particular atom in a molecule . But there can be maximum of two pi bonds between the two atoms im a molecule.
 

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