QQuestionChemistry
QuestionChemistry
Draw the electron pair geometry for sulfur tetrafluoride, SF^4.
What is the name of the molecular shape of sulfur tetrafluoride?
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Answer
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Step 1:I'll solve this step by step using VSEPR (Valence Shell Electron Pair Repulsion) theory:
Step 2:: Determine the number of valence electrons
- Total valence electrons: $$6 + (7 \times 4) = 34$$ electrons
- Sulfur (S): 6 valence electrons - Fluorine (F): 7 valence electrons × 4 = 28 valence electrons
Step 3:: Draw the Lewis structure
- Central sulfur atom - Four fluorine atoms bonded to sulfur - Remaining electrons form lone pairs on sulfur
Step 4:: Count electron domains around the central sulfur atom
- 4 bonding domains (S-F bonds) - 1 lone pair on sulfur - Total electron domains: 5
Step 5:: Determine electron pair geometry
\text{Electron Pair Geometry: Trigonal Bipyramidal}
- 5 electron domains - Electron pair geometry is trigonal bipyramidal
Step 6:: Determine molecular shape
- 1 lone pair occupies an equatorial position - 4 fluorine atoms occupy remaining positions - Molecular shape is see-saw
Final Answer
- Electron Pair Geometry: Trigonal Bipyramidal - Molecular Shape: See-saw
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