Question 1

Determine the molecular geometry for the molecule CS2.

Accepted Answer

A)  Trigonal planar
B)  Bent
C)  Linear
D)  T-shaped
E)  Square planar

Question 2

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)  3

Question 3

Give the approximate bond angle for a molecule with a trigonal planar shape.

Accepted Answer

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

Question 4

Using the VSEPR model, the molecular geometry of the central atom in XeF4 is ________.

Accepted Answer

A)  tetrahedral
B)  seesaw
C)  square planar
D)  trigonal bipyramidal
E)  square pyramidal

Question 5

Give the approximate bond angle for a molecule with a tetrahedral shape.

Accepted Answer

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

Question 6

Which of the following best describes ClF2-? It has a molecular geometry that is

Accepted Answer

A)  linear with no lone pairs on the Cl atom.
B)  linear with lone pairs on the Cl atom.
C)  nonlinear with no lone pairs on the Cl atom.
D)  nonlinear with lone pairs on the Cl atom.

Question 7

Determine the electron geometry for the molecule PF3.

Accepted Answer

A)  Linear
B)  Trigonal planar
C)  Tetrahedral
D)  Trigonal bipyramidal
E)  Octahedral

Question 8

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, polar

Question 9

Consider the molecule below. Determine the molecular geometry at each of the three labelled atoms.

Accepted Answer

A)  1 = trigonal planar, 2 = tetrahedral, 3 = trigonal pyramidal
B)  1 = tetrahedral, 2 = tetrahedral, 3 = tetrahedral
C)  1 = trigonal planar, 2 = tetrahedral, 3 = tetrahedral
D)  1 = tetrahedral, 2 = tetrahedral, 3 = trigonal planar
E)  1 = trigonal planar, 2 = trigonal pyramidal, 3 = trigonal pyramidal

Question 10

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)  sp2

Question 11

Consider the molecule below. Determine the hybridization at each of the two labelled carbons. 3, C2 = sp3d B) C1 = sp, C2 = sp2 C) C1 = sp2, C2 = sp3d D) C1 = sp3d, C2 = sp3d2 E) C1 = sp2, C2 = sp3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  C1 = sp3, C2 = sp3d
B)  C1 = sp, C2 = sp2
C)  C1 = sp2, C2 = sp3d
D)  C1 = sp3d, C2 = sp3d2
E)  C1 = sp2, C2 = sp3

Question 12

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

Accepted Answer

A)  1
B)  2
C)  3
D)  4
E)  0

Question 13

Draw the Lewis structure for BrCl3. What is the hybridization on the Br atom?

Accepted Answer

A)  sp3d2
B)  sp3d
C)  sp3
D)  sp2
E)  sp

Question 14

How many of the following molecules have sp hybridization on the central atom? C2Cl2 CO2 O3 H2O

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4

Question 15

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 planar

Question 16

What is the molecular geometry of SF5-?

Accepted Answer

A)  octahedral
B)  seesaw
C)  square pyramidal
D)  trigonal bipyramidal

Question 17

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

Accepted Answer

A)  1 sigma, 1 pi
B)  2 sigma, 1 pi
C)  2 sigma, 2 pi
D)  1 sigma, 2 pi

Question 18

Match the following.

-CH2F2

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 atom

Question 19

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

Accepted Answer

A)  linear
B)  trigonal bipyramidal
C)  octahedral
D)  tetrahedral
E)  bent

Question 20

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, 2 pi
E)  8 sigma, 2 pi

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

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

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Give the approximate bond angle for a molecule with a tetrahedral shape.

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

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Consider the molecule below. Determine the hybridization at each of the two labelled carbons.

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Which of the following best describes ClF2-? It has a molecular geometry that is

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What is the molecular geometry of SF5-?

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Using the VSEPR model, the molecular geometry of the central atom in XeF4 is ________.

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Draw the Lewis structure for BrCl3. What is the hybridization on the Br atom?

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Match the following. -CH2F2

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Determine the electron geometry for the molecule PF3.

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

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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 CS2.

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

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

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Give the approximate bond angle for a molecule with a trigonal planar shape.

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Consider the molecule below. Determine the molecular geometry at each of the three labelled atoms.

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

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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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How many of the following molecules have sp hybridization on the central atom? C2Cl2 CO2 O3 H2O

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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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Which of the following best describes ClF₂^-? It has a molecular geometry that is

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What is the molecular geometry of SF₅^-?

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Using the VSEPR model, the molecular geometry of the central atom in XeF₄ is ________.

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Draw the Lewis structure for BrCl₃. What is the hybridization on the Br atom?

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Match the following. -CH₂F₂

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Determine the electron geometry for the molecule PF₃.

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

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Determine the molecular geometry for the molecule CS₂.

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

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

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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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How many of the following molecules have sp hybridization on the central atom? C₂Cl₂ CO₂ O₃ H₂O

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