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What is the molecular geometry of ammonia (NH3)?
What is the molecular geometry of ammonia (NH3)?
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Practice Questions
1 question
Q1
What is the molecular geometry of ammonia (NH3)?
Linear
Trigonal planar
Tetrahedral
Trigonal pyramidal
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Ammonia has a trigonal pyramidal geometry due to the presence of a lone pair on nitrogen.
Questions & Step-by-step Solutions
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Q
Q: What is the molecular geometry of ammonia (NH3)?
Solution:
Ammonia has a trigonal pyramidal geometry due to the presence of a lone pair on nitrogen.
Steps: 6
Show Steps
Step 1: Identify the chemical formula of ammonia, which is NH3.
Step 2: Determine the central atom in ammonia, which is nitrogen (N).
Step 3: Count the number of hydrogen (H) atoms bonded to nitrogen. There are 3 hydrogen atoms.
Step 4: Check for lone pairs on the nitrogen atom. Nitrogen has 1 lone pair.
Step 5: Use the VSEPR theory (Valence Shell Electron Pair Repulsion) to predict the shape. The lone pair pushes the hydrogen atoms down.
Step 6: Conclude that the arrangement of the 3 hydrogen atoms and 1 lone pair creates a trigonal pyramidal shape.
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