Embed Size (px)
Citation preview
Chem 101 Key Worksheet 17 Dr. Caddell
Key Worksheet 17
VSEPR Theory
1.) Draw the Lewis structure, determine the electron group geometry, and determine the molecular geometry for the following molecules. Determine whether the molecule is polaror nonpolar.
a.) CH3Cl
Electron Group Geometry: Tetrahedral
Molecular Geometry: Tetrahedral
Polar: Yesb.) SO4
2−
Electron Group Geometry: Tetrahedral
Molecular Geometry: Tetrahedral
Polar: No
Page 1 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
c.) BrF3
Electron Group Geometry: Tetrahedral
Molecular Geometry: Trigonal Pyramidal
Polar: Yesd.) SO3
Electron Group Geometry: Trigonal Planar
Molecular Geometry: Trigonal Planar
Polar: No
Page 2 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
e.) BCl3
Electron Group Geometry: Trigonal Planar
Molecular Geometry: Trigonal Planar
Polar: Nof.) PCl3
Electron Group Geometry: Tetrahedral
Molecular Geometry: Trigonal Pyramidal
Polar: Yes
Page 3 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
g.) TeCl4
Electron Group Geometry: Trigonal Bipyramidal
Molecular Geometry: See–Saw
Polar: Yesh.) XeF4
Electron Group Geometry: Octahedral
Molecular Geometry: Square Planar
Polar: No
Page 4 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
i.) N2O
Electron Group Geometry: Linear
Molecular Geometry: Linear
Polar: Yesj.) SF4
Electron Group Geometry: Trigonal Bipyramidal
Molecular Geometry: See–Saw
Polar: Yes
Page 5 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
k.) SCl2
Electron Group Geometry: Tetrahedral
Molecular Geometry: Bent
Polar: No (based on our rules, although it does have a net dipole moment)l.) SbF6
−
Electron Group Geometry: Octahedral
Molecular Geometry: Octahedral
Polar: No
Page 6 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
m.) XeF3+
Electron Group Geometry: Trigonal Bipyramidal
Molecular Geometry: T–Shaped
Polar: Yesn.) XeF5
+
Electron Group Geometry: Octahedral
Molecular Geometry: Square Pyramidal
Polar: Yes
Page 7 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
o.) NO2
Electron Group Geometry: Trigonal Planar
Molecular Geometry: Bent
Polar: Yesp.) SO2
Electron Group Geometry: Trigonal Planar
Molecular Geometry: Bent
Polar: Yes
Page 8 of 9
Chem 101 Key Worksheet 17 Dr. Caddell
q.) PO43−
Electron Group Geometry: Tetrahedral
Molecular Geometry: Tetrahedral
Polar: Nor.) XeOF4
Electron Group Geometry: Trigonal Bipyramidal
Molecular Geometry: Trigonal Bipyramidal
Polar: Yes
Page 9 of 9
