The Student Room Group

Hydrogen Bonding

Hi, so why Hydrogen bonding only forms between molecules where there is a H bonded to either N, O, F because those are very electronegative elements.

But Chlorine is more electronegative than Nitrogen so why can’t Hydrogen bonds form between molecules with Hydrogen and Chlorine?
56D5E311-5695-456C-86B3-D7185C6F4FF0.jpg.jpeg

Thanks!
Original post by subbhy
Hi, so why Hydrogen bonding only forms between molecules where there is a H bonded to either N, O, F because those are very electronegative elements.

But Chlorine is more electronegative than Nitrogen so why can’t Hydrogen bonds form between molecules with Hydrogen and Chlorine?
56D5E311-5695-456C-86B3-D7185C6F4FF0.jpg.jpeg

Thanks!

I recall reading somewhere that chlorine is just too big of an atom and so it isn’t electron-dense enough for H-bonds to form.
Reply 2
Original post by TypicalNerd
I recall reading somewhere that chlorine is just too big of an atom and so it isn’t electron-dense enough for H-bonds to form.


Right thanks

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