Chapter 9 Review Packet --11-24-03[1]_1

The molecular geometry of the right most carbon in

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9. The molecular geometry of the right-most carbon in the molecule below is __________. H O H C C O H H a. trigonal planar b. trigonal bipyramidal c. tetrahedral d. octahedral e. T-shaped 10. The central iodine atom in the ICl - ion, has ___ nonbonded electron 4 pairs and ___ bonded electron pairs in its valence shell. 11. An electron domain is a ____________. 1. lone pair 2. single bond 3. double bond 4. triple bond 5. central atom 12. Of the molecules below, _____ is polar. 13. Of the molecules below, only _____ is nonpolar. a. CO 2 b. H 2 O c. NH 3 d. HCl e. TeCl 2 14. Of the molecules below, only _____ is nonpolar. 15. Of the following molecules, only _____ is polar.
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16. The molecular geometry of the CHF 3 molecule is __________, and the molecule is ___________. 17. According to valence bond theory, which orbitals overlap in the formation of the bond in HBr? a. 1s on H and 4p on Br b. 1s on H and 4s on Br c. 1s on H and 3p on Br d. 2s on H and 4p on Br e. 2s on H and 3p on Br 18. The electron-domain geometry of a carbon-centered compound is tetrahedral. The hybridization of the central carbon atom is _____. 19. Generally, a molecule in which the central atom is sp 2 hybridized will have a/an ______ electron-domain geometry. 20. The hybridization of the carbon atom in carbon dioxide is _____. 21. The hybridization of the central atom in the XeF 4 molecule is _____. a. sp b. sp 2 c. sp 3 d. sp 3 d e. sp 3 d 2
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