Problem: The figure that follows contains ball-and-stick drawings of three possible shapes of an AF4 molecule.Name an element A that is expected to lead to the AF4 structure shown in (i).

FREE Expert Solution

We have to notice that although the formula is the same (AF4), it has multiple possible shapes. The only way that this could happen is if the central atoms have different numbers of lone pairs.

Since we are treating lone pairs and surrounding atoms as different groups we are actually talking about Molecular Geometry.    


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Problem Details

The figure that follows contains ball-and-stick drawings of three possible shapes of an AF4 molecule.

Name an element A that is expected to lead to the AF4 structure shown in (i).

i) Square planar ii) Tetrahedral iii) Seesaw

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

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