Question 1

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 2

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 3

Determine the electron geometry for the molecule PF3.

Accepted Answer

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

Question 4

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 5

What is the molecular geometry of SF5-?

Accepted Answer

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

Question 6

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 7

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 8

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 9

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 10

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 11

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 12

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

Question 13

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 14

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 15

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 16

Determine the molecular geometry for the molecule CS2.

Accepted Answer

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

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

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 19

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 20

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

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

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

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

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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 have sp3d hybridization on the central atom? SiCl4 BrF5 AsF5 BrF3

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What is the molecular geometry of SF5-?

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

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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 are polar? BrCl3 CS2 SiF4 SO3

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

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

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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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Determine the molecular geometry for the molecule CS2.

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

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Match the following. -CH2F2

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

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Determine the electron geometry for the molecule PF3.

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

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

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

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What is the molecular geometry of SF₅^-?

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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 are polar? BrCl₃ CS₂ SiF₄ SO₃

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

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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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Determine the molecular geometry for the molecule CS₂.

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

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Match the following. -CH₂F₂

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Determine the electron geometry for the molecule PF₃.

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

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

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