3F.1 d

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Gabriella Bates 2L
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Joined: Thu Jul 11, 2019 12:15 am

3F.1 d

Postby Gabriella Bates 2L » Sun Nov 10, 2019 8:40 pm

Identify the types of attractive intermolecular interactions that might arise between molecules of each of the following substances: (d) SO2.

The solutions manual said this molecule experiences London dispersion forces and dipole-dipole attraction. How does it have dipole-dipole attraction? Which way is the dipole pointing? Thanks.

Yuri Lin 4H
Posts: 51
Joined: Sat Aug 17, 2019 12:15 am

Re: 3F.1 d

Postby Yuri Lin 4H » Sun Nov 10, 2019 9:47 pm

The dipole-dipole attraction comes from the shape of the SO2 molecule. It has a bent molecular structure (same shape as H2O), so the S has a lone pair and a partial positive charge whereas the oxygens have a partial negative charge. The uneven electron distribution means there's a permanent dipole, hence the dipole-dipole attraction.


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