Question 1

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

Accepted Answer

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, nonpolarF) B) and D)
G) B) and E)

Question 2

Draw the Lewis structure for CO2. What is the hybridization on the C atom?

Accepted Answer

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

Question 3

Using the VSEPR model, the molecular geometry of the central atom in NCl3 is ________.

Accepted Answer

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

Question 4

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

Accepted Answer

A)  90°
B)  180°
C)  >120°
D)  
E)  >90°F) A) and E)
G) A) and C)

Question 5

Draw the Lewis structure for BrF5. What is the hybridization on the Br atom?

Accepted Answer

A)  sp3d2
B)  sp3d
C)  sp3
D)  sp2
E)  spF) B) and D)
G) B) and C)

Question 6

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

Accepted Answer

A)  180°
B)  
C)  
D)  109.5°
E)  <120°F) A) and B)
G) None of the above

Question 7

Match the following.

-BCl3

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) J) and K)
N) D) and F)

Question 8

Determine the molecular geometry about each interior atom in the following structure. Sketch the three-dimensional structure and label the interior atoms with the corresponding molecular geometry.
CH2CHCCCH3

Accepted Answer

The sketch should show all of the approp...

Question 9

Use the molecular orbital diagram shown to determine which of the following is most stable. 22⁺ B) N22⁺ C) B2 D) C22⁻ E) B22⁺" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 10

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

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  5F) C) and D)
G) C) and E)

Question 11

How many of the following molecules have sp3d2 hybridization on the central atom? SeCl6 XeF4 IF5 AsCl5

Accepted Answer

A)  1
B)  3
C)  0
D)  2
E)  4F) B) and E)
G) None of the above

Question 12

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

Accepted Answer

A)  F2
B)  F22⁺
C)  Ne22⁺
D)  O22⁺
E)  F22⁻F) C) and E)
G) B) and E)

Question 13

Draw the Lewis structure for COCl2. What is the hybridization on the C atom?

Accepted Answer

A)  sp
B)  sp3d2
C)  sp3d
D)  sp3
E)  sp2F) None of the above
G) B) and E)

Question 14

Determine the electron geometry for the molecule PCl5.

Accepted Answer

A)  Linear
B)  Trigonal planar
C)  Tetrahedral
D)  Trigonal bipyramidal
E)  OctahedralF) A) and D)
G) None of the above

Question 15

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

Accepted Answer

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, polarF) C) and E)
G) None of the above

Question 16

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

Accepted Answer

A)  109.5°
B)  180°
C)  120°
D)  105°
E)  90°F) A) and E)
G) B) and E)

Question 17

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

Accepted Answer

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 planarF) None of the above
G) A) and E)

Question 18

Determine the electron geometry for the molecule SBr2.

Accepted Answer

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

Question 19

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

Accepted Answer

A)  SeCl6 2 2
B)  SeF2 2 6
C)  SeF2 6 2
D)  SeO2 2 6
E)  SeCl6 2 2F) A) and E)
G) B) and D)

Question 20

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

Accepted Answer

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 bipyramidalF) B) and E)
G) A) and E)

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

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

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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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Draw the Lewis structure for CO2. What is the hybridization on the C atom?

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

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

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Determine the electron geometry for the molecule SBr2.

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

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

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Match the following. -BCl3

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Use the molecular orbital diagram shown to determine which of the following is most stable.

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Determine the molecular geometry about each interior atom in the following structure. Sketch the three-dimensional structure and label the interior atoms with the corresponding molecular geometry. CH2CHCCCH3

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How many of the following molecules have sp3d2 hybridization on the central atom? SeCl6 XeF4 IF5 AsCl5

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Draw the Lewis structure for BrF5. What is the hybridization on the Br atom?

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Using the VSEPR model, the molecular geometry of the central atom in NCl3 is ________.

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

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

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Determine the electron geometry for the molecule PCl5.

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

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

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Draw the Lewis structure for COCl2. What is the hybridization on the C atom?

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Draw the Lewis structure for CO₂. What is the hybridization on the C atom?

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

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Determine the electron geometry for the molecule SBr₂.

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Place the following in order of increasing X-Se-X bond angle, where X represents the outer atoms in each molecule. SeO₂ SeCl₆SeF₂

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

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Match the following. -BCl₃

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Determine the molecular geometry about each interior atom in the following structure. Sketch the three-dimensional structure and label the interior atoms with the corresponding molecular geometry. CH₂CHCCCH₃

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The sketch should show all of the approp...
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How many of the following molecules have sp³^d² hybridization on the central atom? SeCl₆ XeF₄ IF₅ AsCl₅

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Draw the Lewis structure for BrF₅. What is the hybridization on the Br atom?

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Using the VSEPR model, the molecular geometry of the central atom in NCl₃ is ________.

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

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Determine the electron geometry for the molecule PCl₅.

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

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Draw the Lewis structure for COCl₂. What is the hybridization on the C atom?

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