QQuestionChemistry
QuestionChemistry
What is the molecular geometry around nitrogen in CH^3NH^2?
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Answer
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Step 1:I'll solve this problem step by step, following the specified LaTeX formatting guidelines:
Step 2:: Identify the Lewis Structure
- In CH₃NH₂ (methylamine), nitrogen is the central atom - Nitrogen has 5 valence electrons - Hydrogen atoms contribute 1 electron each - Carbon contributes 4 electrons
Step 3:: Determine Electron Geometry
N_{electron \space domains} = 4
- Count total electron domains around nitrogen - These include:
Step 4:
One N-C single bond
Step 5:
One N-H single bond
Step 6:
One lone pair of electrons
Step 7:
One N-H single bond
Step 8:: Apply VSEPR Theory
- Total electron domains: 4 - Lone pair present: 1 - Electron geometry: Tetrahedral - Lone pair reduces bonding geometry
Step 9:: Determine Molecular Geometry
- With one lone pair in a tetrahedral arrangement - Molecular geometry is pyramidal (trigonal pyramidal)
Final Answer
The molecular geometry around nitrogen in CH₃NH₂ is trigonal pyramidal.
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