PLS.Explain why H-bonding not occur between CH4 molecules?

Question

pls. help me...i really dont know what to do..

Answer 1

Hydrogen bonding is the dipole-dipole force of attraction between a hydrogen atom and either F (fluorine), O (oxygen) or N (nitrogen) atoms. Hydrogen atoms do NOT form hydrogen bonds with carbon atoms, hence CH4 will not contain any H-bonds =)

Answer 2

The electronegativity difference of the C-H bond is too small for H-bonding to occur. http://en.wikipedia.org/wiki/Electronega...

The electronegativity difference is 2.55-2.20=0.35, that's much too small for H-bonding to occur.

H-bonding usually occurs when hydrogen is bonded to either Fluorine(F), Oxygen(O) or Nitrogen(N).

Answer 3

CH4 is a very symmetrical molecule. no negative charges stick out for the protons to be attracted to.

Answer 4

I don't really understand what you mean?  You mean like combining 2 CH4?

If that is what you mean, it isn't possible because C only has 4 valence electrons.  Once 4 hydrogen bond to it, it's full, that's all there is.  Also it occupies quite a bit of space