QQuestionChemistry
QuestionChemistry
What are the electron and molecular geometries, respectively, for iodine trifluoride, IF^3?
A. Electron geometry is trigonal bipyramidal. Molecular geometry is trigonal planar.
B. Electron geometry is trigonal bipyramidal. Molecular geometry is T-shaped.
C. Electron geometry is octahedral. Molecular geometry is T-shaped.
D. Electron geometry is trigonal planar. Molecular geometry is trigonal bipyramidal.
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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 central atom and total valence electrons
- Total valence electrons: $$7 + (3 \times 7) = 28$$ electrons
- Central atom is Iodine (I) - Fluorine atoms (F) contribute 7 valence electrons each - Iodine contributes 7 valence electrons
Final Answer
Electron geometry is trigonal bipyramidal. Molecular geometry is T-shaped.
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