QQuestionChemistry
QuestionChemistry
What is the electron group geometry and molecular geometry, respectively, for the molecule XeF^2?
A. trigonal bipyramidal, linear
B. trigonal bipyramidal, bent
C. tetrahedral, bent
D. octahedral, bent
E. octahedral, linear
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Answer
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Step 1Let's solve this step by step using VSEPR (Valence Shell Electron Pair Repulsion) theory:
Step 2: Determine the number of valence electrons
- Total valence electrons: $$8 + 14 = 22$$ electrons
- Xe (Xenon): 8 valence electrons - F (Fluorine): 7 valence electrons × 2 = 14 valence electrons
Final Answer
Explanation: The key is recognizing that while the electron group geometry is trigonal bipyramidal with 5 total domains, the actual molecular geometry is linear due to the specific arrangement of the lone pairs.
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