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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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asizzle2002 asizzle2002
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11 years ago
Why will polar covalent, but not non-polar covalent molecules form hydrogen bonds?
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RLC
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11 years ago
If they're non-polar, there is no dipole, thus no positively charged nor negatively charged poles on the molecule.  When it comes to charges, opposites attract, like charges repel.  Hydrogen bonds occur when a hydrogen atom is bonded with a highly electronegative atom, causing the hydrogen to have fewer electrons on average, thus have a net positive charge.  This by definition means the molecule is polar.
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