Sometimes dispersion forces can outweigh dipole interactions given that it is sufficiently large. Some large enough nonpolar molecules have a higher boiling point than small polar molecules. At what extent is this true - how drastic does the difference in size have to be so that dispersion outweighs dipole-dipole?
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$\begingroup$ And how exactly would you compare apples and oranges here? $\endgroup$– MithoronCommented Nov 24 at 21:08
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$\begingroup$ If you want some examples... chemistry.stackexchange.com/questions/43458/… chemistry.stackexchange.com/questions/9821/… $\endgroup$– MithoronCommented Nov 24 at 21:09
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