Question 1

Identify the number of electron groups around a molecule with sp3d2 hybridization.

Accepted Answer

A)   6
B)   2
C)   3
D)   4
E)   5F) A) and B)
G) A) and C)

Question 2

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

Accepted Answer

A)   eg = tetrahedral, mg = tetrahedral
B)   eg = linear, mg = bent
C)   eg = trigonal planar, mg = linear
D)   eg = linear, mg = linear
E)   eg = bent, mg = tetrahedralF) C) and D)
G) All of the above

Question 3

Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for H2Se.

Accepted Answer

A)   eg = tetrahedral, mg = bent, sp3
B)   eg = trigonal pyramidal, mg = trigonal planar, sp3
C)   eg = tetrahedral, mg = trigonal pyramidal, sp3
D)   eg = bent, mg = tetrahedral, sp2
E)   eg = tetrahedral, mg = tetrahedral, sp2F) A) and E)
G) A) and B)

Question 4

A molecule,that is sp3d2 hybridized and has a molecular geometry of square pyramidal,has ________ bonding groups and ________ lone pairs around its central atom.

Accepted Answer

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

Question 5

Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for NCl3.

Accepted Answer

A)   eg = tetrahedral, mg = trigonal planar, sp2
B)   eg = trigonal pyramidal, mg = trigonal pyramidal, sp3
C)   eg = tetrahedral, mg = trigonal pyramidal, sp3
D)   eg = trigonal pyramidal, mg = tetrahedral, sp3
E)   eg = trigonal planar, mg = trigonal planar, sp2F) None of the above
G) B) and C)

Question 6

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

Accepted Answer

A)   CS2 = SCl2 > CF4
B)   SCl2 > CF4 > CS2
C)   CF4 > CS2 > SCl2
D)   CS2 > CF4 > SCl2
E)   CF4 > CS2 > SCl2F) D) and E)
G) A) and D)

Question 7

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

Accepted Answer

A)   linear
B)   trigonal bipyramidal
C)   trigonal planar
D)   octahedral
E)   bentF) A) and B)
G) A) and C)

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) None of the above
G) B) and D)

Question 9

Consider the following compound.How many sigma and pi bonds does it contain? CH3CHCHCO2H

Accepted Answer

A)   9 sigma, 4 pi
B)   11 sigma, 2 pi
C)   9 sigma, 0 pi
D)   13 sigma, 2 pi
E)   6 sigma, 2 piF) C) and D)
G) A) and E)

Question 10

Using the VSEPR model,the molecular geometry of the central atom in NH2- is

Accepted Answer

A)   linear.
B)   trigonal planar.
C)   tetrahedral.
D)   bent.
E)   trigonal pyramidal.F) A) and B)
G) C) and D)

Question 11

What is the O-S-O bond angle in SO3?

Accepted Answer

A)   45°
B)   109.5°
C)   120°
D)   210°
E)   107°F) B) and C)
G) All of the above

Question 12

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

Accepted Answer

A)   seesaw
B)   bent
C)   octahedral
D)   trigonal planar
E)   trigonal bipyramidalF) B) and C)
G) B) and D)

Question 13

A molecule,that is sp3d hybridized and has a molecular geometry of seesaw,has ________ bonding groups and ________ lone pairs around its central atom.

Accepted Answer

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

Question 14

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

Accepted Answer

A)   trigonal bipyramidal
B)   linear
C)   trigonal
D)   tetrahedralE) B) and C)
F) A) and D)

Question 15

Identify the number of electron groups around a molecule with sp3d hybridization.

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) A) and C)
G) All of the above

Question 16

Give the hybridization for the O in OF2.

Accepted Answer

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

Question 17

Draw the Lewis structure for the molecule CH2CHCH3.How many sigma and pi bonds does it contain?

Accepted Answer

A)   8 sigma, 1 pi
B)   9 sigma, 0 pi
C)   9 sigma, 1 pi
D)   7 sigma, 0 pi
E)   8 sigma, 2 piF) A) and E)
G) A) and D)

Question 18

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

Accepted Answer

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

Question 19

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 pyramidal, nonpolar
E)   eg = trigonal pyramidal, mg = bent, nonpolarF) D) and E)
G) C) and D)

Question 20

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

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

Exam 10: Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

Using the VSEPR model,the molecular geometry of the central atom in NH2- is

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Give the hybridization for the O in OF2.

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Identify the number of electron groups around a molecule with sp3d2 hybridization.

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A molecule,that is sp3d hybridized and has a molecular geometry of seesaw,has ________ bonding groups and ________ lone pairs around its central atom.

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

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

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

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

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A molecule,that is sp3d2 hybridized and has a molecular geometry of square pyramidal,has ________ bonding groups and ________ lone pairs around its central atom.

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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. CS2 CF4 SCl2

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Identify the number of electron groups around a molecule with sp3d hybridization.

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Draw the Lewis structure for the molecule CH2CHCH3.How many sigma and pi bonds does it contain?

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

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What is the O-S-O bond angle in SO3?

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Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for NCl3.

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Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for H2Se.

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

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

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Consider the following compound.How many sigma and pi bonds does it contain? CH3CHCHCO2H

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

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Using the VSEPR model,the molecular geometry of the central atom in NH₂^- is

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Give the hybridization for the O in OF₂.

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Identify the number of electron groups around a molecule with sp³d² hybridization.

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A molecule,that is sp³d hybridized and has a molecular geometry of seesaw,has bonding groups and lone pairs around its central atom.

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

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A molecule,that is sp³d² hybridized and has a molecular geometry of square pyramidal,has bonding groups and lone pairs around its central atom.

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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. CS₂ CF₄ SCl₂

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Identify the number of electron groups around a molecule with sp³d hybridization.

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Draw the Lewis structure for the molecule CH₂CHCH₃.How many sigma and pi bonds does it contain?

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What is the O-S-O bond angle in SO₃?

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Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for NCl₃.

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Give the electron geometry (eg) ,molecular geometry (mg) ,and hybridization for H₂Se.

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

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Consider the following compound.How many sigma and pi bonds does it contain? CH₃CHCHCO₂H

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

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