Table of Contents
- 1 Why bond angle in NH3 is less than CH4 although both are SP3 hybridized?
- 2 Why the bond angle of H C H in methane CH4 is 109 28 while H-N-H bond angle in NH3 is 107 though both carbon and nitrogen are sp3hybridized?
- 3 Why do methane ammonia and water have different boiling points?
- 4 Why are the bond angles of methane and ammonia different?
- 5 What is the bond angle of H2O hybridization?
Why bond angle in NH3 is less than CH4 although both are SP3 hybridized?
Due to the presence of lone parir in Ammonia(Nitrogen), the bond angle is reduced as due to greater repulsion, whereas in methane(Carbon) there exist no lone pair to repel.
Why NH3 is having different bond angle as compared to H2o but both are having same hybridization?
H2o contains two lone pairs where as NH3 contains only one lone pair. As we all know that lone pairs are responsible for the repulsions with in the molecule that causes to reduce the bond angle. Due to one lone pair bond angle decreases to 107.8). So, the bond angle of NH3 is greater than the bond angle of H2o.
Why the bond angle of H C H in methane CH4 is 109 28 while H-N-H bond angle in NH3 is 107 though both carbon and nitrogen are sp3hybridized?
28` while H-N-H bond angle in NH3 is 107? ,though both carbon and nitrogen are sp3 hybridized . Because of the presence of lone pair on N; there is a lone pair – bond pair repulsion between electrons. Hence it decreases the bond angle from 109◦ angle to 107 ◦ as bond angle.
Why is bond angle of H2O less than NH3?
And this repulsion is between lone pair and bond pair on O- atom of H2O is stronger than the repulsion is between lone pair and bond pair on N-atom of NH3. Thus, the bond angle in H2O is less than NH3, even though they are having distorted tetrahedral structure.
Why do methane ammonia and water have different boiling points?
But in ammonia N-H bonds are polar, so ammonia is a polar compound and the ammonia molecules are joined to each other by hydrogen bonds. So,methane has less boiling point than ammonia. Polar bonds are stronger than non-polar bonds. All C-H bonds in methane are non-polar that means methane is a non-polar compounds.
How are the shapes of methane ammonia and water similar?
As for methane and ammonia, the domain geometry for a molecule with four electron pairs is tetrahedral. In the water molecule, two of the electron pairs are lone pairs rather than bonding pairs. The molecular geometry of the water molecule is bent.
Why are the bond angles of methane and ammonia different?
Because of difference in the repulsion of electron pairs the bond angles of methane and ammonia are different. The bonds between nitrogen and hydrogen are formed by a molecular hybridization SP3, exactly as that of methane. Instead of an fourth hydrogen, in ammonia you have a pair of electrons.
What is the bond angle in NH3 and H2O?
For example : NH3 and H2O have the same hybridization but in ammonia there is one lone pair is present on Nitrogen atom whereas in H2O two lone pair are present on oxygen atom,so bond angle in ammonia is grater then water molecule.
What is the bond angle of H2O hybridization?
Hybridization of H2O molecule is Sp³. So the bond angle should be 109°8′ but it is 104.5° because it has two lone pair and two bond pair. Due to lone pair $ bond pair repulsion it occupy such a position to lessen the repulsive interaction.
What is the hybridization of nitrogen in ammonia?
Hybridization: In the formation of ammonia one 2s orbital and three 2p orbitals of nitrogen mix up forming four hybrid orbitals of equivalent energy. These four new equivalent orbitals are called sp 3 hybrid orbitals. They are identical in all respect. One hybrid orbital has paired electrons (lone pair) and it is nonbonding orbital.