Question 1

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

Question 2

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

Question 3

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

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 
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 4

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 
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 5

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

Question 6

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 
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 7

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

Question 8

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 
A) trigonal bipyramidal 
B) octahedral 
C) tetrahedral 
D) square planar

Question 9

Determine the electron geometry for the molecule PF3.

Accepted Answer

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

Question 10

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

Question 11

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

Question 12

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

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

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

Question 15

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. 
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 16

What is the molecular geometry of SF5-?

Accepted Answer

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

Question 17

Determine the molecular geometry for the molecule CS2.

Accepted Answer

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

Question 18

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 
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 19

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

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 planar
F)polar
G)linear
H)seesaw molecular geometry
I)octahedral
J)octahedral electron geometry
K)polar, but contains no polar bonds
L)sp2 hybridized central atom 
A) tetrahedral 
B) nonpolar, but contains a polar covalent bond 
C) sp hybridized central atom 
D) trigonal bipyramidal 
E) trigonal planar
F)polar
G)linear
H)seesaw molecular geometry
I)octahedral
J)octahedral electron geometry
K)polar, but contains no polar bonds
L)sp2 hybridized central atom

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

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

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

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

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

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

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

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

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

Determine the electron geometry for the molecule PF3.

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

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

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

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

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

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

What is the molecular geometry of SF5-?

Determine the molecular geometry for the molecule CS2.

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

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

Match the following. -CH2F2

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallury

Transition Metals and Coordination Compounds

Filters

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

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

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

Determine the electron geometry for the molecule PF₃.

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

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

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

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

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

What is the molecular geometry of SF₅^-?

Determine the molecular geometry for the molecule CS₂.

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

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

Match the following. -CH₂F₂