Question 1

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

Accepted Answer

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 planarF) A) and E)
G) C) and E)

Question 2

Using the VSEPR model, the molecular geometry of the central atom in CCl4 is ________.

Accepted Answer

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

Question 3

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

Accepted Answer

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 = bentF) A) and C)
G) A) and B)

Question 4

List the number of sigma bonds and pi bonds in a double bond.

Accepted Answer

A)   1 sigma, 1 pi
B)   0 sigma, 2 pi
C)   2 sigma, 0 pi
D)   1 sigma, 2 piE) A) and B)
F) All of the above

Question 5

How many of the following molecules have sp3d hybridization on the central atom? SiCl4 BrF5 AsF5 BrF3

Accepted Answer

A)   2
B)   0
C)   4
D)   1
E)   3F) A) and B)
G) C) and E)

Question 6

Draw the Lewis structure for BF3. What is the hybridization on the B atom?

Accepted Answer

A)   sp
B)   sp3d2
C)   sp3d
D)   sp3
E)   sp2F) All of the above
G) A) and E)

Question 7

Using the VSEPR model, the molecular geometry of the central atom in Se O2 is ________.

Accepted Answer

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

Question 8

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

Accepted Answer

A)   B22⁺
B)   B22⁻
C)   N22⁺
D)   C22⁻
E)   B2F) All of the above
G) A) and D)

Question 9

Draw the Lewis structure for the molecule CH3CH2CCH. How many sigma and pi bonds does it contain?

Accepted Answer

A)   11 sigma, 0 pi
B)   9 sigma, 1 pi
C)   8 sigma, 3 pi
D)   9 sigma, 2 pi
E)   8 sigma, 2 piF) A) and D)
G) A) and C)

Question 10

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 C)
G) A) and D)

Question 11

Determine the electron geometry (eg)  and molecular geometry (mg)  of IBr4-.

Accepted Answer

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

Question 12

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) B) and E)
G) B) and C)

Question 13

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

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   0F) C) and E)
G) D) and E)

Question 14

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

Accepted Answer

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

Question 15

Determine the molecular geometry (mg)  of the bolded and underlined atom CH3CH2OH.

Accepted Answer

A)   mg = tetrahedral
B)   mg = trigonal pyramidal
C)   mg = trigonal planar
D)   mg = trigonal bipyramidal
E)   mg = bentF) B) and C)
G) D) and E)

Question 16

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

Accepted Answer

A)   octahedral
B)   trigonal bipyramidal
C)   tetrahedral
D)   trigonal planar
E)   trigonal pyramidalF) A) and B)
G) C) and D)

Question 17

Match the following.
-sp

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) H) and L)
N) B) and C)

Question 18

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 D)
G) None of the above

Question 19

Determine the electron geometry for the molecule PCl5.

Accepted Answer

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

Question 20

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

Accepted Answer

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

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

Determine the molecular geometry (mg) of the bolded and underlined atom CH3CH2OH.

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How many of the following molecules have sp3d hybridization on the central atom? SiCl4 BrF5 AsF5 BrF3

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

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

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

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Determine the electron geometry for the molecule PCl5.

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

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Draw the Lewis structure for BF3. What is the hybridization on the B atom?

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

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Determine the electron geometry (eg) and molecular geometry (mg) of IBr4-.

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

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List the number of sigma bonds and pi bonds in a double bond.

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Determine the molecular geometry for the molecule PCl5.

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Match the following. -sp

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

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Using the VSEPR model, the molecular geometry of the central atom in Se O2 is ________.

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Using the VSEPR model, the molecular geometry of the central atom in CCl4 is ________.

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

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Draw the Lewis structure for the molecule CH3CH2CCH. How many sigma and pi bonds does it contain?

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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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Determine the molecular geometry (mg) of the bolded and underlined atom CH₃CH₂OH.

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How many of the following molecules have sp³^d hybridization on the central atom? SiCl₄ BrF₅ AsF₅ BrF₃

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

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

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Determine the electron geometry for the molecule PCl₅.

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

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Draw the Lewis structure for BF₃. What is the hybridization on the B atom?

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Determine the electron geometry (eg) and molecular geometry (mg) of IBr₄^-.

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

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Determine the molecular geometry for the molecule PCl₅.

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

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Using the VSEPR model, the molecular geometry of the central atom in SeO₂is ________.

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Using the VSEPR model, the molecular geometry of the central atom in CCl₄ is ________.

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

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Draw the Lewis structure for the molecule CH₃CH₂CCH. How many sigma and pi bonds does it contain?

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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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