#4.29? Determining which isomer has the largest dipole moment?

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Adriana Rangel 1A
Posts: 96
Joined: Fri Sep 29, 2017 7:04 am

#4.29? Determining which isomer has the largest dipole moment?

Postby Adriana Rangel 1A » Sun Nov 26, 2017 5:22 pm

Between figures 1 and 2 I understand they are polar because the Cl creates dipole moments. Between the two figures, how do you determine which one has the larger dipole moments?

SitharaMenon2B
Posts: 50
Joined: Thu Jul 27, 2017 3:01 am

Re: #4.29? Determining which isomer has the largest dipole moment?

Postby SitharaMenon2B » Sun Nov 26, 2017 7:55 pm

The strength of the dipole is based on the angles of the polar bonds. Since polar bonds in opposite directions cancel out, the bonds that cancel the least will be the strongest. The polar Cl bonds for isomer 1 are closer to going in the same direction than the bonds for isomer 2, therefore the bonds in 1 cancel out less than in 2, so 1 will have a stronger dipole moment.

Isaiah Little 1A 14B
Posts: 50
Joined: Fri Sep 29, 2017 7:05 am

Re: #4.29? Determining which isomer has the largest dipole moment?

Postby Isaiah Little 1A 14B » Mon Nov 27, 2017 10:42 pm

Think of it in terms of polarity; if a charge is concentrated on one side of the molecule and not the other, then the molecule will be polar, but if the charges are evenly distributed then the molecule's polarity will cancel out.


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