Question 1

Using the VSEPR model, the molecular geometry of the central atom in CF4 is ________.

Accepted Answer

A)  linear
B)  trigonal planar
C)  tetrahedral
D)  bent
E)  trigonal pyramidalF) A) and C)
G) A) and B)

Question 2

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

Accepted Answer

A)  GeH2Br2
B)  SCl2
C)  AsCl5
D)  CF2Cl2
E)  All of the above are nonpolar and contain a polar covalent bond.F) C) and E)
G) C) and D)

Question 3

A molecule containing a central atom with sp3d hybridization has a(n) ________ electron geometry.

Accepted Answer

A)  tetrahedral
B)  linear
C)  octahedral
D)  trigonal planar
E)  trigonal bipyramidalF) All of the above
G) C) and D)

Question 4

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

Accepted Answer

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 planarF) C) and E)
G) C) and D)

Question 5

What is the molecular geometry of ClF4 -?

Accepted Answer

A)  seesaw
B)  square planar
C)  square pyramidal
D)  tetrahedralE) All of the above
F) C) and D)

Question 6

Match the following.

-sp3d

Accepted Answer

A)  tetrahedral
B)  nonpolar, but contains a polar covalent bond
C)  sp hybridized central atom
D)  trigonal bipyramidal
E)  trigonal planarF) polarG) linearH) seesaw molecular geometryI) octahedralJ) octahedral electron geometryK) polar, but contains no polar bondsL) sp2 hybridized central atomM) D) and E)
N) All of the above

Question 7

What are the F-Po-F bond angles in PoF6?

Accepted Answer

A)  60°
B)  90°
C)  109.5°
D)  120°E) C) and D)
F) B) and D)

Question 8

Draw a molecular orbital diagram and use it to determine which of the following is most stable.

Accepted Answer

A)  C22⁺
B)  N22⁺
C)  B2
D)  C22⁻
E)  B22⁺F) B) and E)
G) A) and E)

Question 9

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

Accepted Answer

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 = octahedralF) A) and C)
G) A) and B)

Question 10

What is the molecular geometry of TeCl4?

Accepted Answer

A)  seesaw
B)  square planar
C)  square pyramidal
D)  tetrahedralE) None of the above
F) C) and D)

Question 11

Draw the Lewis structure for SO2-3. What is the hybridization on the S atom?

Accepted Answer

A)  sp
B)  sp3d2
C)  sp3d
D)  sp3
E)  sp2F) B) and C)
G) C) and E)

Question 12

Using the VSEPR model, the electron-domain geometry of the central atom in BrF4- is ________.

Accepted Answer

A)  linear
B)  trigonal planar
C)  tetrahedral
D)  trigonal bipyramidal
E)  octahedralF) B) and D)
G) C) and D)

Question 13

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⁻

Accepted Answer

A)  NCl3 > NO2⁻ > N2O
B)  NO2⁻ > N2O > NCl3
C)  N2O > NO2⁻ > NCl3
D)  NCl3 > N2O > NO2⁻
E)  N2O > NCl3 > NO2⁻F) A) and E)
G) A) and D)

Question 14

A molecule or ion with three electrons in bonding orbitals and two electrons in an antibonding orbital has a bond order of:

Accepted Answer

A)  0.5
B)  1
C)  1.5
D)  2
E)  3F) A) and E)
G) B) and E)

Question 15

Determine the molecular geometry for the molecule PF3.

Accepted Answer

A)  Trigonal pyramidal
B)  Trigonal planar
C)  Tetrahedral
D)  T-shaped
E)  BentF) D) and E)
G) B) and C)

Question 16

Is it possible for a molecule to be nonpolar even though it contains polar bonds? Explain your answer and give an example.

Accepted Answer

Yes. The polarity of a molecule depends ...

Question 17

Determine the electron geometry for the molecule BrF3.

Accepted Answer

A)  Linear
B)  Trigonal planar
C)  Tetrahedral
D)  Trigonal bipyramidal
E)  OctahedralF) B) and E)
G) B) and C)

Question 18

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

Accepted Answer

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 = tetrahedralF) A) and C)
G) A) and E)

Question 19

Determine the molecular geometry for the molecule PCl5.

Accepted Answer

A)  Linear
B)  Seesaw
C)  Square pyramidal
D)  Trigonal bipyramidal
E)  Square planarF) A) and D)
G) A) and B)

Question 20

How many of the following molecules have sp2 hybridization on the central atom? HCN SO2 OCl2 XeCl2

Accepted Answer

A)  4
B)  3
C)  2
D)  1
E)  0F) A) and D)
G) All of the above

Exam 10: Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

What is the molecular geometry of ClF4 -?

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Draw a molecular orbital diagram and use it to determine which of the following is most stable.

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

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

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Using the VSEPR model, the molecular geometry of the central atom in CF4 is ________.

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A molecule containing a central atom with sp3d hybridization has a(n) ________ electron geometry.

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Is it possible for a molecule to be nonpolar even though it contains polar bonds? Explain your answer and give an example.

Correct AnswerverifiedYes. The polarity of a molecule depends ...View AnswerShow Answer

How many of the following molecules have sp2 hybridization on the central atom? HCN SO2 OCl2 XeCl2

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Determine the electron geometry for the molecule BrF3.

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Determine the molecular geometry for the molecule PCl5.

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Draw the Lewis structure for SO2-3. What is the hybridization on the S atom?

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

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Determine the molecular geometry for the molecule PF3.

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A molecule or ion with three electrons in bonding orbitals and two electrons in an antibonding orbital has a bond order of:

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What is the molecular geometry of TeCl4?

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Match the following. -sp3d

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

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What are the F-Po-F bond angles in PoF6?

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Using the VSEPR model, the electron-domain geometry of the central atom in BrF4- is ________.

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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⁻

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What is the molecular geometry of ClF₄ ^-?

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

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

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Using the VSEPR model, the molecular geometry of the central atom in CF₄ is ________.

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

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Yes. The polarity of a molecule depends ...
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How many of the following molecules have sp² hybridization on the central atom? HCN SO₂ OCl₂ XeCl₂

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Determine the electron geometry for the molecule BrF₃.

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Determine the molecular geometry for the molecule PCl₅.

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Draw the Lewis structure for SO^2-₃. What is the hybridization on the S atom?

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Determine the molecular geometry for the molecule PF₃.

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What is the molecular geometry of TeCl₄?

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Match the following. -sp³d

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

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What are the F-Po-F bond angles in PoF₆?

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Using the VSEPR model, the electron-domain geometry of the central atom in BrF₄^- is ________.

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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⁻

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