What are the differences between SIgma bond and Pi - bond?

5 years ago

Share

Answers : (1)

                                        








































Sigma Bond



Pi - Bond



1)      A sigma bond is formed by the end to end overlap of half – filled atomic orbitals along the inter – nuclear axis. The overlapping involves two s – orbitals, one s and p – orbital or two p - orbitals



A pi – bond is formed by the sidewise overlap of two half – filled p - orbitals



2)      In this case, the overlapping can take place to a larger extent and therefore, the bond formed is a strong bond



In the formation of Pi - bond the overlapping occurs to a lesser extent and therefore, the bond is weak.



3)      The molecular orbital is symmetrical about the intermolecular axis.



The molecular orbitals is discontinuous and consists of two charged clouds above and below the plane of atoms.



4)      There can be free rotation of atoms around o- - bond



Because of overlapping of the electrons clouds above and below the plane of the atoms, free rotation of atoms around Pi - bond is not possible.



5)      The bond may be present between two atoms either alone or along with Pi- bond.



The bound is always present between two atoms in addition to sigma bond.



6)      In the formation of sigma bond, s – orbitals can participate.



s – orbitals cannot participate in the formation of pi - bond


5 years ago

Post Your Answer

More Questions On Physical Chemistry

Ask Experts

Have any Question? Ask Experts
Post Question
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!!
Click Here for details
Sir please help me balance this equation- Cr(oh)3+IO3^-1-------->I-+CrO4^2-(in basic medium) by ion electron method. Sir it is written in my book to first balance all the atoms other that o...
 
 
Cr(OH)3(s) +IO3(-)(aq) -->CrO4(-2)(aq) + I(-)(aq) remember in basic medium firstbalancing of oxidation number then balancing of O atom.Balancing of O atom is made by using H2O and OH-...
  img
Sunil Kumar FP one month ago
what is the hybridization of XeF 6?
 
 
hybridisation of XeF6=sp3d3 it can be found out by using the formula=n +1/2(group number-valency of sorrounding element)n=number of sorrounding atom here n=6,valency of fluorine=-1,group...
  img
Sunil Kumar FP 3 days ago
how many farads are required for reduction of one mole C 6 H 5 NO 2 into C 6 H 5 NH 2
 
 
C6H5NO2 + 6H (in the presence of Sn and HCl)——————→ C6H5NH2 + 2H2O for conversion of 1 mole of nitrpbenzene 6 mole of electron are required charge on...
  img
Sunil Kumar FP one month ago
how do polar solvents help in the first step in SN1 mechanism
 
 
TheSN1 reactionis asubstitution reactioninorganic chemistry. "SN" stands fornucleophilic substitutionand the "1" represents the fact that therate-determining...
  img
Sunil Kumar FP 25 days ago
valency of carbon
 
 
4
 
mohit yadav one year ago
 
The valency of carbon is +4, because in carbon atom, there are 6 p+ and 6e-. So 6 protons cannot stabilise 4 more electrons but can cope up with 2e- after losing 4e-.
 
Malhar Shah one year ago
 
valency of carbon is four(4).so it can forms 4 bonds with other elelments
 
sivasai 5 months ago
why is [FeCl4]2- is colourless ?
 
 
The colour exhibited by the transition metal ions is due to their ability to absorb light in the visible region of the electromagnetic spectrum. This causes unpaired d electrons to rise from...
  img
Sunil Kumar FP one month ago
View all Questions »