Problem: Consider an AB3 molecule in which A and B differ in electronegativity. You are told that the molecule has an overall dipole moment of zero. Which of the following could be the molecular geometry of the molecule?

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FREE Expert Solution

We expect that all dipole moments for each bond cancel out. Even though the bonds would be polar due to the difference in electronegativities, they would still cancel out due to symmetry.

Writing the Lewis structure of the compound, we shall have:

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Problem Details

Consider an AB3 molecule in which A and B differ in electronegativity. You are told that the molecule has an overall dipole moment of zero. Which of the following could be the molecular geometry of the molecule?

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

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