Deck 10: Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Question 1

Give the approximate bond angle for a molecule with tetrahedral electron geometry and trigonal pyramidal molecular geometry.

A)180°
B)<180°
C)<109.5°
D)109.5°
E)<120°

Answer 1

<109.5°

Question 2

Give the approximate bond angle for a molecule with a trigonal planar shape.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Answer 2

120°

Question 3

Give the approximate bond angle for a molecule with a linear shape.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Answer 3

180°

Question 4

Determine the electron geometry (eg)and molecular geometry (mg)of CH₃⁺.

A)eg = tetrahedral,mg = tetrahedral
B)eg = tetrahedral,mg = trigonal pyramidal
C)eg = trigonal planar,mg = bent
D)eg = trigonal planar,mg = trigonal planar
E)eg = tetrahedral,mg = trigonal planar

Question 5

Give the approximate bond angle for a molecule with T-shape molecular geometry.

A)<90°
B)90°
C)>90°
D)<120°
E)120°

Question 6

Determine the electron geometry (eg)and molecular geometry (mg)of PF₅.

A)eg = trigonal bipyramidal,mg = trigonal bipyramidal
B)eg = octahedral,mg = octahedral
C)eg = trigonal bipyramidal,mg = tetrahedral
D)eg = tetrahedral,mg = trigonal pyramidal
E)eg = trigonal planar,mg = octahedral

Question 7

Give the approximate bond angle for a molecule with trigonal bipyramidal electron geometry and linear molecular geometry.

A)180°
B)<180°
C)>180°
D)<109.5°
E)<120°

Question 8

Give the approximate bond angle for a molecule with an octahedral shape.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Question 9

Give the approximate bond angle between two equatorial positions for a molecule with a trigonal bipyramidal geometry.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Question 10

Give the approximate bond angle between the axial position and the equatorial position for a molecule with a trigonal bipyramidal geometry.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Question 11

Give the approximate bond angle for a molecule with trigonal planar electron geometry and bent molecular geometry.

A)<90°
B)90°
C)<120°
D)<109.5°
E)120°

Question 12

Give the approximate bond angle for a molecule with a tetrahedral shape.

A)109.5°
B)180°
C)120°
D)105°
E)90°

Question 13

Determine the electron geometry (eg)and molecular geometry (mg)of SiF₄.

A)eg = tetrahedral,mg = trigonal pyramidal
B)eg = octahedral,mg = square planar
C)eg = trigonal bipyramidal,mg = trigonal pyramidal
D)eg = tetrahedral,mg = bent
E)eg = tetrahedral,mg = tetrahedral

Question 14

Give the approximate bond angle for a molecule with octahedral electron geometry and square pyramidal molecular geometry.

A)90°
B)180°
C)>120°
D)<90°
E)>90°

Question 15

Determine the electron geometry (eg)and molecular geometry (mg)of NCl₃.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = trigonal planar
C)eg = trigonal planar,mg = bent
D)eg = linear,mg = linear
E)eg = tetrahedral,mg = trigonal pyramidal

Question 16

Give the approximate bond angle for a molecule with trigonal bipyramidal electron geometry and seesaw molecular geometry.

A)<120° (equatorial),90° (axial)
B)120° (equatorial),<90° (axial)
C)<90° (equatorial),<90° (axial)
D)120° (equatorial),90° (axial)
E)<120° (equatorial),<90° (axial)

Question 17

Determine the electron geometry (eg)and molecular geometry (mg)of CO₂.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = trigonal planar
C)eg = trigonal planar,mg = bent
D)eg = linear,mg = linear
E)eg = trigonal planar,mg = trigonal planar

Question 18

Determine the electron geometry (eg)and molecular geometry (mg)of BCl₃.

A)eg = trigonal planar,mg = trigonal planar
B)eg = tetrahedral,mg = trigonal planar
C)eg = tetrahedral,mg = trigonal pyramidal
D)eg = trigonal planar,mg = bent
E)eg = trigonal bipyramidal,mg = trigonal bipyramidal

Question 19

Give the approximate bond angle for a molecule with tetrahedral electron geometry and bent molecular geometry.

A)180°
B)<180°
C)<109.5°
D)109.5°
E)<120°

Question 20

Determine the electron geometry (eg)and molecular geometry (mg)of CO₃²⁻.

A)eg = tetrahedral,mg = tetrahedral
B)eg = tetrahedral,mg = trigonal pyramidal
C)eg = trigonal planar,mg = bent
D)eg = trigonal planar,mg = trigonal planar
E)eg = tetrahedral,mg = trigonal planar

Question 21

Determine the molecular geometry for the molecule PCl₅.

A)Linear
B)Seesaw
C)Square pyramidal
D)Trigonal bipyramidal
E)Square planar

Question 22

Determine the molecular geometry for the molecule CS₂.

A)Trigonal planar
B)Bent
C)Linear
D)T-shaped
E)Square planar

Question 23

Determine the electron geometry for the molecule XeF₄.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 24

Determine the electron geometry for the molecule BrF₃.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 25

Determine the molecular geometry for the molecule SBr₂.

A)Trigonal pyramidal
B)Trigonal planar
C)Tetrahedral
D)T-shaped
E)Bent

Question 26

Determine the molecular geometry for the molecule XeF₄.

A)Square planar
B)Tetrahedral
C)T-shaped
D)Square pyramidal
E)Trigonal planar

Question 27

Determine the electron geometry (eg)and molecular geometry (mg)of the underlined atom CH₃OCH₃.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = linear
C)eg = tetrahedral,mg = bent
D)eg = trigonal bipyramidal,mg = tetrahedral
E)eg = octahedral,mg = square planar

Question 28

Determine the electron geometry for the molecule PCl₅.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 29

Determine the electron geometry for the molecule SBr₂.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 30

Determine the electron geometry (eg)and molecular geometry (mg)of BrF₃.

A)eg = trigonal planar,mg = trigonal planar
B)eg = trigonal bipyramidal,mg = T-shape
C)eg = trigonal planar,mg = bent
D)eg = trigonal bipyramidal,mg = seesaw
E)eg = tetrahedral,mg = trigonal pyramidal

Question 31

Consider the molecule below.Determine the molecular geometry at each of the two labelled carbons.

A)C1 = tetrahedral,C2 = linear
B)C1 = trigonal planar,C2 = bent
C)C1 = bent,C2 = trigonal planar
D)C1 = trigonal planar,C2 = tetrahedral
E)C1 = trigonal pyramidal,C2 = seesaw

Question 32

Give the approximate bond angle for a molecule with octahedral electron geometry and square planar molecular geometry.

A)90°
B)180°
C)>120°
D)<90°
E)<120°

Question 33

Determine the electron geometry (eg)and molecular geometry (mg)of the underlined atom CH₃OCH₃.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = linear
C)eg = tetrahedral,mg = bent
D)eg = trigonal bipyramidal,mg = tetrahedral
E)eg = octahedral,mg = square planar

Question 34

Determine the molecular geometry for the molecule BrF₃.

A)Square pyramidal
B)Seesaw
C)T-shaped
D)Square planar
E)Trigonal planar

Question 35

Determine the electron geometry for the molecule CS₂.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 36

Determine the electron geometry (eg)and molecular geometry (mg)of ICl₂^-.

A)eg = tetrahedral,mg = bent
B)eg = tetrahedral,mg = trigonal pyramidal
C)eg = trigonal bipyramidal,mg = linear
D)eg = trigonal bipyramidal,mg = trigonal planar
E)eg = octahedral,mg = linear

Question 37

Determine the electron geometry (eg)and molecular geometry (mg)of XeF₄.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = linear
C)eg = tetrahedral,mg = bent
D)eg = trigonal bipyramidal,mg = tetrahedral
E)eg = octahedral,mg = square planar

Question 38

Determine the electron geometry (eg)and molecular geometry (mg)of XeF₂.

A)eg = trigonal bipyramidal,mg = bent
B)eg = linear,mg = linear
C)eg = tetrahedral,mg = linear
D)eg = trigonal bipyramidal,mg = linear
E)eg = tetrahedral,mg = bent

Question 39

Determine the electron geometry for the molecule PF₃.

A)Linear
B)Trigonal planar
C)Tetrahedral
D)Trigonal bipyramidal
E)Octahedral

Question 40

Determine the molecular geometry for the molecule PF₃.

A)Trigonal pyramidal
B)Trigonal planar
C)Tetrahedral
D)T-shaped
E)Bent

Question 41

How many of the following molecules are polar? BrCl₃ CS₂ SiF₄ SO₃

A)1
B)2
C)3
D)4
E)0

Question 42

Determine the electron geometry (eg),molecular geometry (mg),and polarity of SF₆.

A)eg = trigonal bipyramidal,mg = trigonal bipyramidal,nonpolar
B)eg = tetrahedral,mg = tetrahedral,polar
C)eg = trigonal bipyramidal,mg = seesaw,polar
D)eg = octahedral,mg = trigonal bipyramidal,nonpolar
E)eg = octahedral,mg = octahedral,nonpolar

Question 43

Determine the electron geometry (eg),molecular geometry (mg),and polarity of SO₂.

A)eg = tetrahedral,mg = bent,polar
B)eg = trigonal planar,mg = bent,polar
C)eg = linear,mg = linear,nonpolar
D)eg = tetrahedral,mg = tetrahedral,nonpolar
E)eg = trigonal pyramidal,mg = trigonal pyramidal,polar

Question 44

Determine the electron geometry (eg),molecular geometry (mg),and polarity of SO₃.

A)eg = tetrahedral,mg = trigonal pyramidal,polar
B)eg = tetrahedral,mg = tetrahedral,nonpolar
C)eg = trigonal planar,mg = trigonal planar,nonpolar
D)eg = trigonal bipyramidal,mg = trigonal planar,polar
E)eg = trigonal pyramidal,mg = bent,nonpolar

Question 45

Place the following in order of increasing dipole moment. I.BCl₃ II.BIF₂ III.BClF₂

A)I < II = III
B)II < III < I
C)I < II < III
D)II < I < III
E)I < III < II

Question 46

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⁺

A)H₃O⁺ < HCN < H₂O
B)H₃O⁺ < H₂O < HCN
C)HCN < H₃O⁺ < H₂O
D)H₂O < HCN < H₃O⁺
E)H₂O < H₃O⁺ < HCN

Question 47

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

A)CS₂ > SCl₂ > CF₄
B)SCl₂ > CF₄ > CS₂
C)CF₄ > SCl₂ > CS₂
D)CS₂ > CF₄ > SCl₂
E)CF₄ > CS₂ > SCl₂

Question 48

Determine the electron geometry (eg),molecular geometry (mg),and polarity of HBrO₂.

A)eg = trigonal bipyramidal,mg = trigonal planar,nonpolar
B)eg = octahedral,mg = square planar,nonpolar
C)eg = tetrahedral,mg = bent,polar
D)eg = tetrahedral,mg = linear,nonpolar
E)eg = linear,mg = linear,polar

Question 49

Choose the compound below that contains at least one polar covalent bond but is nonpolar.

A)GeH₂Br₂
B)SCl₂
C)AsCl₅
D)CF₂Cl₂

Question 50

How many of the following molecules are polar? XeCl₂ COF₂ PCl₄F SF₆

A)0
B)3
C)1
D)2
E)4

Question 51

Place the following in order of increasing X-Se-X bond angle,where X represents the outer atoms in each molecule. SeO₂ SeCl₆ SeF₂

A)SeCl₆ < SeF₂ < SeO₂
B)SeF₂ < SeO₂ < SeCl₆
C)SeF₂ < SeCl₆ < SeO₂
D)SeO₂ < SeF₂ < SeCl₆
E)SeCl₆ < SeO₂ < SeF₂

Question 52

Determine the electron geometry (eg),molecular geometry (mg),and polarity of SF₆.

A)eg = trigonal bipyramidal,mg = trigonal bipyramidal,nonpolar
B)eg = tetrahedral,mg = tetrahedral,polar
C)eg = trigonal bipyramidal,mg = seesaw,polar
D)eg = octahedral,mg = trigonal bipyramidal,nonpolar
E)eg = octahedral,mg = octahedral,nonpolar

Question 53

Choose the compound below that contains at least one polar covalent bond but is nonpolar.

A)HCN
B)CF₄
C)SeBr₄
D)ICl₃

Question 54

How many of the following molecules are polar? PCl₅ COS XeO₃ SeBr₂

A)2
B)0
C)1
D)3
E)4

Question 55

Place the following in order of increasing F-A-F bond angle,where A represents the central atom in each molecule. PF₃ OF₂ PF₄⁺

A)PF₃ < OF₂ < PF₄⁺
B)OF₂ < PF₃ < PF₄⁺
C)OF₂ < PF₄⁺ < PF₃
D)PF₄⁺ < OF₂ < PF₃
E)PF₄⁺ < PF₃ < OF₂

Question 56

Consider the molecule below.Determine the molecular geometry at each of the three labelled atoms.

A)1 = trigonal planar,2 = tetrahedral,3 = trigonal pyramidal
B)1 = tetrahedral,2 = tetrahedral,3 = tetrahedral
C)1 = trigonal planar,2 = tetrahedral,3 = tetrahedral
D)1 = tetrahedral,2 = tetrahedral,3 = trigonal planar
E)1 = trigonal planar,2 = trigonal pyramidal,3 = trigonal pyramidal

Question 57

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeO₃.

A)eg = trigonal planar,mg = trigonal planar,nonpolar
B)eg = tetrahedral,mg = trigonal pyramidal,polar
C)eg = trigonal planar,mg = trigonal pyramidal,polar
D)eg = trigonal bipyramidal,mg = trigonal planar,nonpolar
E)eg = octahedral,mg = tetrahedral,nonpolar

Question 58

How many of the following molecules are polar? XeO₂ SiCl₂Br₂ C₂Br₂ SeCl₆

A)1
B)4
C)2
D)3
E)0

Question 59

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^-

A)NCl₃ > NO₂^- > N₂O
B)NO₂^- > N₂O > NCl₃
C)N₂O > NO₂^- > NCl₃
D)NCl₃ > N₂O > NO₂^-
E)N₂O > NCl₃ > NO₂^-

Question 60

Determine the electron geometry (eg),molecular geometry (mg),and polarity of TeCl₆.

A)eg = octahedral,mg = octahedral,nonpolar
B)eg = trigonal bipyramidal,mg = trigonal bipyramidal,nonpolar
C)eg = octahedral,mg = square planar,polar
D)eg = trigonal bipyramidal,mg = seesaw,polar
E)eg = tetrahedral,mg = trigonal pyramidal,polar

Question 61

Draw the Lewis structure for CCl₄.What is the hybridization on the C atom?

A)sp
B)sp^3d2
C)sp^3d
D)sp³
E)sp²

Question 62

Draw the Lewis structure for BrO₄^-.What is the hybridization on the Br atom?

A)sp
B)sp^3d2
C)sp^3d
D)sp³
E)sp²

Question 63

Determine the electron geometry (eg)and molecular geometry (mg)of the underlined carbon in CH₃CN.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = trigonal planar
C)eg = trigonal planar,mg = bent
D)eg = linear,mg = linear
E)eg = trigonal planar,mg = trigonal planar

Question 64

Place the following in order of decreasing dipole moment. I.cis-CHCl=CHCl II.trans-CHCl=CHCI III.cis-CHF=CHF

A)III > I > II
B)II > I > III
C)I > III > II
D)II > III > I
E)I = III > II

Question 65

Identify the number of electron groups around a molecule with a tetrahedral shape.

A)1
B)2
C)3
D)4
E)5

Question 66

A molecule containing a central atom with sp hybridization has a ________ electron geometry.

A)linear
B)trigonal bipyramidal
C)trigonal planar
D)tetrahedral
E)bent

Question 67

Determine the electron geometry (eg)and molecular geometry (mg)of the underlined carbon in CH₃CN.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = trigonal planar
C)eg = trigonal planar,mg = bent
D)eg = linear,mg = linear
E)eg = trigonal planar,mg = trigonal planar

Question 68

A molecule containing a central atom with sp³ hybridization has a(n)________ electron geometry.

A)linear
B)trigonal bipyramidal
C)octahedral
D)tetrahedral
E)bent

Question 69

A molecule containing a central atom with six electron groups has a(n)________ electron geometry.

A)octahedral
B)trigonal bipyramidal
C)tetrahedral
D)trigonal planar
E)trigonal pyramidal

Question 70

A molecule containing a central atom with sp² hybridization has a ________ electron geometry.

A)linear
B)trigonal bipyramidal
C)trigonal planar
D)tetrahedral
E)bent

Question 71

Describe a sigma bond.

A)p orbital overlapping with a d orbital
B)an attraction due to overlap of two orbitals along the internuclear axis
C)side by side overlap of d orbitals
D)overlap of two d orbitals
E)s orbital overlapping with the side of a p orbital

Question 72

Draw the Lewis structure for OF₂.What is the hybridization on the O atom?

A)sp
B)sp³
C)sp²
D)sp^3d
E)sp^3d2

Question 73

Describe a pi bond.

A)side by side overlap of p orbitals
B)end to end overlap of p orbitals
C)s orbital overlapping with the end of a p orbital
D)overlap of two s orbitals
E)p orbital overlapping with a d orbital

Question 74

Determine the electron geometry (eg)and molecular geometry (mg)of H₂CO.

A)eg = tetrahedral,mg = tetrahedral
B)eg = linear,mg = trigonal planar
C)eg = trigonal planar,mg = bent
D)eg = linear,mg = linear
E)eg = trigonal planar,mg = trigonal planar

Question 75

Identify the number of electron groups around a molecule with a trigonal bipyramidal shape.

A)1
B)2
C)3
D)4
E)5

Question 76

Identify the number of electron groups around a molecule with sp² hybridization.

A)1
B)2
C)3
D)4
E)5

Question 77

Determine the electron geometry (eg),molecular geometry (mg),and polarity of N₂O (N central).

A)eg = linear,mg = linear,nonpolar
B)eg = tetrahedral,mg = linear,nonpolar
C)eg = tetrahedral,mg = bent,polar
D)eg = linear,mg = linear,polar
E)eg = trigonal planar,mg = bent,polar

Question 78

Identify the number of electron groups around a molecule with sp hybridization.

A)1
B)2
C)3
D)4
E)5

Question 79

Draw the Lewis structure for SO₃.What is the hybridization on the S atom?

A)sp
B)sp³
C)sp²
D)sp^3d
E)sp^3d2

Question 80

Draw the Lewis structure for H₃O⁺.What is the hybridization on the O atom?

A)sp
B)sp³
C)sp²
D)sp^3d
E)sp^3d2