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Boiling Points

Posted: Wed Nov 20, 2019 3:29 pm
by ayushibanerjee06
Why does NO2 have a higher boiling point than N2O? I am confused because NO2 is a radical.

Re: Boiling Points

Posted: Wed Nov 20, 2019 3:56 pm
by TarynD_1I
ayushibanerjee06 wrote:Why does NO2 have a higher boiling point than N2O? I am confused because NO2 is a radical.


NO2 has a higher boiling point because it is more polarizable, which means it has stronger van der waals forces. Since NO2 has more electrons than N2O, it is bigger and more polarizable. I don't think it has anything to do with the radical?

Re: Boiling Points

Posted: Sat Nov 23, 2019 11:04 pm
by Jielena_Bragasin2G
Since NO2 has more electrons, there is a stronger LDF than in N2O which has a less electrons. I am not sure if this has to due with polarizability though. Hope this helps!

Re: Boiling Points

Posted: Sat Nov 23, 2019 11:08 pm
by Liliana Aguas 3G
Yes exactly, because there's more electrons, there's more protons in the nucleus also so the mass is larger and that makes it a larger molecule. Because it's a larger molecule, the polarizability of it is greater, so there's a higher chance for fluctuability of its electrons around the orbitals so the chances of LDF are higher and more LDF means higher boiling point.