Which of the following has a molecular geometry that is not symmetrical?

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Question: Which of the following has a molecular geometry that is not symmetrical?

Options:

Correct Answer: NH3

Solution:

NH3 has a trigonal pyramidal shape, which is not symmetrical due to the lone pair.

Which of the following has a molecular geometry that is not symmetrical?

Which of the following has a molecular geometry that is not symmetrical?

Step 1: Understand what molecular geometry means. It refers to the 3D shape of a molecule.
Step 2: Learn about symmetry in molecular geometry. A symmetrical shape looks the same from different angles.
Step 3: Identify the molecule in question, which is NH3 (ammonia).
Step 4: Determine the shape of NH3. It has a trigonal pyramidal shape.
Step 5: Recognize that NH3 has a lone pair of electrons on the nitrogen atom, which affects its shape.
Step 6: Conclude that because of the lone pair, NH3 is not symmetrical.

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