A polar molecule such as carbon monoxide experiences which extra force that nitrogen does not?

1. Both molecules are diatomic and of similar size, so dispersion alone would not separate them. 2. Because carbon monoxide is a polar molecule, it experiences dipole-dipole attractions. 3. Because nitrogen is nonpolar, its molecules cannot exhibit dipole-dipole attractions. 4. That extra attraction raises carbon monoxide's boiling point. _Source: OpenStax Chemistry 2e (CC BY 4.0), Ch 10 'Liquids and Solids', sections 10.1-10.6_