What is the molecular geometry of a molecule with a trigonal bipyramidal electro

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Question: What is the molecular geometry of a molecule with a trigonal bipyramidal electron geometry and one lone pair?

Options:

Correct Answer: T-shaped

Solution:

A trigonal bipyramidal electron geometry with one lone pair results in a T-shaped molecular geometry.

What is the molecular geometry of a molecule with a trigonal bipyramidal electron geometry and one lone pair?

What is the molecular geometry of a molecule with a trigonal bipyramidal electron geometry and one lone pair?

Step 1: Understand that 'trigonal bipyramidal' means there are five regions of electron density around the central atom.
Step 2: Recognize that 'one lone pair' means one of these five regions is not bonded to another atom.
Step 3: Visualize the trigonal bipyramidal shape, which has three atoms in a plane (equatorial) and two atoms above and below (axial).
Step 4: Place the lone pair in one of the equatorial positions to minimize repulsion with the other atoms.
Step 5: Identify the remaining three bonded atoms, which will form a 'T' shape due to the lone pair's position.

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