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Grade: 12
        
what is number of sigma and pi bond in c2(cabon molecule)
 
one year ago

Answers : (3)

Vignesh vijayakumar
29 Points
							Firstly carbon do not form quadruple bond.because•absence of d orbital makes excitation of electrons impossible•according  to VBT ,no sufficient p orbital in required orientation•if it forms also it is unstable due to high repulsion arising from high electron density.further to answer your question if i assume suuh a hypothetic molecule then●any molecule can form only one sigma bond. So 1 sigma btwn C2●remaining 3 pi bond  btwn C2
						
one year ago
Devesh
11 Points
							It is an exception that in C2 molecule both the bonds are pi bonds.And this can be explained by MOT the last four elctrons go in the bonding molecular π2PX-π2PY orbital hence the bond formed are pi.
						
one year ago
Prajapati S
13 Points
							
Dear Student 
  In C2 molecule both the two covalent bonds are pi bonds (C=C) on the basis of MOT. Bond order is 2.
 
  similarily in B2 molecule (B - B) bond order is 1 but the covalent bond is pi , not sigma.
one year ago
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