The Shapes of Molecules

The Shapes of Molecules - The Shapes of Molecules 1. On the...

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The Shapes of Molecules 1. On the basis of the VSEPR model, which of the following molecules is linear? a. H 2 O b. BF 3 c. BeF 2 d. CH 4 e. none of these 2. The molecular shape of H 3 O + is: a. linear. b. planar. c. see-saw. d. trigonal planar. e. trigonal pyramidal. 3. Which of the following is a planar molecule or ion?
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4. Which of the following molecules or ions is not linear?
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The next three questions refer to the molecule OXeF4 with a Lewis dot structure shown below. 5. The formal charge on the Xe atom is: a. -2 b. -1 c. 0 d. +1 e. +2 6. The geometry of the OXeF 4 molecule is: a. trigonal bipyramidal. b. octahedral. c. square pyramidal. d. square planar. e. none of the above. 7. The number of bonding pair-to-bonding pair repulsions in OXeF 4 is:
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a. 0 b. 2 c. 4 d. 8 e. 12 8. The molecular shape of SeF 4 is: a. see-saw. b. square planar. c. tetrahedral. d. square pyramidal. e. impossible to predict. 9.
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This note was uploaded on 02/16/2012 for the course CHEM 125 taught by Professor Na during the Fall '11 term at Purdue.

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The Shapes of Molecules - The Shapes of Molecules 1. On the...

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