Question 1

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

Accepted Answer

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

Question 2

Determine the electron geometry for the molecule BrF3.

Accepted Answer

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

Question 3

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 4

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) D) and E)
G) A) and E)

Question 5

Determine the molecular geometry for the molecule BrF3.

Accepted Answer

A)   Square pyramidal
B)   Seesaw
C)   T-shaped
D)   Square planar
E)   Trigonal planarF) None of the above
G) A) and E)

Question 6

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

Accepted Answer

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

Question 7

A molecule or ion with eight electrons in bonding orbitals and two electrons in an antibonding orbital has a bond order of ________.

Accepted Answer

A)   1
B)   1.5
C)   2
D)   2.5
E)   3F) B) and D)
G) A) and B)

Question 8

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

Accepted Answer

A)   sp
B)   sp3
C)   sp2
D)   sp3d
E)   sp3d2F) C) and D)
G) A) and D)

Question 9

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

Accepted Answer

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, polarF) A) and D)
G) B) and E)

Question 10

Using the VSEPR model, the molecular geometry of the central atom in BF3 is ________.

Accepted Answer

A)   tetrahedral
B)   trigonal bipyramidal
C)   trigonal planar
D)   bent
E)   linearF) B) and D)
G) A) and B)

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

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

Accepted Answer

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, polarF) A) and B)
G) C) and D)

Question 14

Match the following.
-sp3

Accepted Answer

A)  sp hybridized central atom
B)  octahedral electron geometry
C)  polar, but contains no polar bonds
D)  sp2 hybridized central atom
E)  linearF) nonpolar, but contains a polar covalent bondG) tetrahedralH) trigonal planarI) octahedralJ) polarK) trigonal bipyramidalL) seesaw molecular geometryM) F) and I)
N) B) and C)

Question 15

What is the molecular geometry of Cl F4-?

Accepted Answer

A)   seesaw
B)   square planar
C)   square pyramidal
D)   tetrahedralE) C) and D)
F) B) and D)

Question 16

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 C)
G) C) and D)

Question 17

What geometric arrangement of charge clouds is expected for an atom that has four charge clouds?

Accepted Answer

A)   trigonal bipyramidal
B)   octahedral
C)   tetrahedral
D)   square planarE) C) and D)
F) None of the above

Question 18

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

Accepted Answer

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

Question 19

Match the following.
-sp2

Accepted Answer

A)  sp hybridized central atom
B)  octahedral electron geometry
C)  polar, but contains no polar bonds
D)  sp2 hybridized central atom
E)  linearF) nonpolar, but contains a polar covalent bondG) tetrahedralH) trigonal planarI) octahedralJ) polarK) trigonal bipyramidalL) seesaw molecular geometryM) B) and H)
N) A) and J)

Question 20

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) All of the above
G) None of the above

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

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

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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 BF3 is ________.

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

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

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

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Match the following. -sp2

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

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

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

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

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Match the following. -sp3

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

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Determine the molecular geometry for the molecule BrF3.

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A molecule or ion with eight 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 Cl F4-?

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

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

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Determine the electron geometry for the molecule BrF3.

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What geometric arrangement of charge clouds is expected for an atom that has four charge clouds?

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

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

Correct Answer
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Using the VSEPR model, the molecular geometry of the central atom in BF₃ is ________.

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

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

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Match the following. -sp²

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

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Match the following. -sp³

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

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Determine the molecular geometry for the molecule BrF₃.

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What is the molecular geometry of Cl F₄^-?

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

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

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Determine the electron geometry for the molecule BrF₃.

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