molgeoprac

molgeoprac - Molecular Geometry Practice molgeoprac.doc 1....

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Molecular Geometry Practice molgeoprac.doc 1. Use VSEPR theory to predict the shapes of the following molecules: a. BrF 5 b. HCN c. BF 3 d. SO 2 e. SCl 2 2. What type of hybridized orbital is used by the central atom of each of the molecules in problem 1? 3. Predict the approximate bond angles in the following: a. GeCl 2 b. IF 4 - c. TeCl 4 4. CCl 4 is a perfect tetrahedron, but AsCl 4 - is a distorted tetrahedron. Explain. 5. BeCl 2 and TeCl 2 are both covalent molecules, yet BeCl 2 is linear while TeCl 2 is nonlinear (bent). Explain. 6. What types of hybridized orbitals can be formed by elements of the third period that cannot be formed by elements in the second period? 7. Which molecule should have the larger dipole moment, HBr or HI? 8. Which of the following molecules has a dipole moment? a. CCl 4 b. H 2 S c. CO 2 d. BCl 3 e. Cl 2 9. Choose the best answer. For the water molecule: a. The bonds are polar, and the molecule is nonpolar. b.
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molgeoprac - Molecular Geometry Practice molgeoprac.doc 1....

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