Problem: Which of the following AF4 molecules will have a zero dipole moment?

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FREE Expert Solution

For the molecules that have polar bonds to be non-polar they must have: 

  • The same atoms involved in each bond (equal dipoles)
  • The bonds must point in the opposite direction of each other.
  • No lone pairs.


Analyze each: 

(i) For the molecule to be square planar it needs to have lone pairs.

(ii) Tetrahedral does not have lone pairs and have bonds pointing the opposite of each other. 

(iii) Seesaw geometry is not symmetrical at all and has lone pairs. 


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Problem Details

Which of the following AF4 molecules will have a zero dipole moment?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Molecular Polarity concept. You can view video lessons to learn Molecular Polarity. Or if you need more Molecular Polarity practice, you can also practice Molecular Polarity practice problems.

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Based on our data, we think this problem is relevant for Professor Leed's class at UD.