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50 terms

Chemistry I Chapter 10

STUDY
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Give the approximate bond angle for a molecule with a trigonal planar shape.
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Give the approximate bond angle for a molecule with a tetrahedral shape.
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Determine the electron geometry (eg) and molecular geometry(mg) of BCl3.
eg=trigonal planar, mg=trigonal planar
Determine the electron geometry (eg) and molecular geometry (mg) of CO32⁻.
eg=trigonal planar, mg=trigonal planar
Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1.
...
Determine the electron geometry (eg) and molecular geometry (mg) of SiF4.
eg=tetrahedral, mg=tetrahedral
Determine the electron geometry (eg) and molecular geometry (mg) of PF5.
eg=trigonal bipyramidal, mg=trigonal bipyramidal
Determine the electron geometry (eg) and molecular geometry (mg) of the underlined carbon in CH3CN.
...
Determine the electron geometry (eg) and molecular geometry (mg) of BrF3.
eg=trigonal bipyramidal, mg= T-shape
Determine the electron geometry (eg) and molecular geometry (mg) of ICl2⁻.
eg=trigonal bipyramidal, mg=linear
Determine the electron geometry (eg) and molecular geometry (mg) of XeF2.
eg=trigonal bipyramidal, mg=linear
Determine the electron geometry (eg) and molecular geometry (mg) of XeF4.
eg=octahedral, mg=square planar
Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons.
C1 = bent, C2 = trigonal planar
Consider the molecule below. Determine the molecular geometry at each of the 3 labeled atoms.
1=trigonal planar, 2=tetrahedral, 3=trigonal pyramidal
Place the following in order of increasing X-Se-X bond angle, where X represents the outer atoms in each molecule.
SeO2 SeCl6 SeF2
SeCl6 < SeF2 < SeO2
Place the following in order of increasing F-A-F bond angle, where A represents the central atom in each molecule.
PF3 OF2 PF4⁺
OF2 < PF3 < PF4⁺
Place the following in order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule.
N2O NCl3 NO2⁻
N2O > NO2⁻ > NCl3
Place the following in order of decreasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule.
CS2 CF4 SCl2
CS2 > CF4 > SCl2
Place the following in order of increasing X-A-X bond angle, where A represents the central atom and X represents the outer atoms in each molecule.
HCN H2O H3O⁺
H2O < H3O⁺ < HCN
Determine the electron geometry (eg), molecular geometry (mg), and polarity of SO3.
eg=trigonal planar, mg=trigonal planar, nonpolar
How many of the following molecules are polar?
BrCl3 CS2 SiF4 SO3
1
How many of the following molecules are polar?
XeCl2 COF2 PCl4F SF6
3
How many of the following molecules are polar?
XeO2 SiCl2Br2 C2Br2 SeCl6
2
How many of the following molecules are polar?
PCl5 COS XeO3 SeBr2
3
Determine the electron geometry (eg), molecular geometry (mg), and polarity of SO2.
eg=trigonal planar, mg=bent, polar
Determine the electron geometry, molecular geometry and polarity of SF6 .
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Determine the electron geometry, molecular geometry and polarity of TeCl6.
eg=octahedral, mg=octahedral, nonpolar
Determine the electron geometry (eg), molecular geometry(mg) and polarity of XeO3.
eg=tetrahedral, mg=trigonal pyramidal, polar
Determine the electron geometry, molecular geometry and polarity of HBrO2 .
eg=tetrahedral, mg=bent, polar
Choose the compound below that contains at least one polar covalent bond, but is nonpolar.
CF4
Choose the compound below that contains at least one polar covalent bond, but is nonpolar.
AsCl5
Place the following in order of increasing dipole moment.
I. BCl3 II. BIF2 III. BClF2
I < III < II
Place the following in order of decreasing dipole moment.
I. cis-CHCl=CHCl II. trans-CHCl=CHCI III. cis-CHF=CHF
III > I > II
Determine the electron geometry, molecular geometry and polarity of N2O (N central).
eg= linear, mg=linear, polar
A molecule containing a central atom with sp3 hybridization has a(n) __________ electron geometry.
tetrahedral
A molecule containing a central atom with sp3d hybridization has a(n) __________ electron geometry.
trigonal bipyramidal
Identify the number of electron groups around a molecule with a tetrahedral shape.
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Identify the shape that goes with sp3d.
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A molecule containing a central atom with sp3d2 hybridization has a(n) __________ electron geometry.
octahedral
Draw the Lewis structure for OF2. What is the hybridization on the O atom?
sp3
Draw the Lewis structure for SO3. What is the hybridization on the S atom?
sp2
Draw the Lewis structure for BrO4⁻. What is the hybridization on the Br atom?
sp3
Draw the Lewis structure for SF6. What is the hybridization on the S atom?
sp3d2
Draw the Lewis structure for BrF5. What is the hybridization on the Br atom?
sp3d2
Draw the Lewis structure for BrCl3. What is the hybridization on the Br atom?
sp3d
Consider the molecule below. Determine the hybridization at each of the 2 labeled carbons.
C1 = sp2, C2 = sp3
Consider the molecule below. Determine the hybridization at each of the 3 labeled atoms.
1=sp2, 2=sp3, 3=sp3
How many of the following molecules have sp hybridization on the central atom?
C2Cl2 CO2 O3 H2O
2
How many of the following molecules have sp3 hybridization on the central atom?
XeCl4 CH4 SF4 C2H2
1
How many of the following molecules have sp3d hybridization on the central atom?
SiCl4 BrF5 AsF5 BrF3
2