Question 1

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 planar, polar 
E)  eg = trigonal pyramidal, mg = bent, nonpolar 
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 planar, polar 
E)  eg = trigonal pyramidal, mg = bent, nonpolar

Question 2

Give the approximate bond angle for a molecule with tetrahedral electron geometry and trigonal pyramidal molecular geometry.

Accepted Answer

A)  180° 
B)  <180° 
C)  <109.5° 
D)  109.5° 
E)  <120° 
A)  180° 
B)  <180° 
C)  <109.5° 
D)  109.5° 
E)  <120°

Question 3

Draw the Lewis structure for BrF5. 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 4

Determine the electron geometry (eg) and molecular geometry (mg) of BCl3.

Accepted Answer

A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = tetrahedral, mg = trigonal planar 
C)  eg = tetrahedral, mg = trigonal pyramidal 
D)  eg = trigonal planar, mg = bent 
E)  eg = trigonal bipyramidal, mg = trigonal bipyramidal 
A)  eg = trigonal planar, mg = trigonal planar 
B)  eg = tetrahedral, mg = trigonal planar 
C)  eg = tetrahedral, mg = trigonal pyramidal 
D)  eg = trigonal planar, mg = bent 
E)  eg = trigonal bipyramidal, mg = trigonal bipyramidal

Question 5

Draw the Lewis structure for CO2. What is the hybridization on the C 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

Using the VSEPR model, the molecular geometry of the central atom in BF3 is ________.

Accepted Answer

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

Question 7

Identify the number of electron groups around a molecule with sp2 hybridization.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 8

Determine the molecular geometry for the molecule BrF3.

Accepted Answer

A)  Square pyramidal 
B)  Seesaw 
C)  T-shaped 
D)  Square planar 
E)  Trigonal planar 
A)  Square pyramidal 
B)  Seesaw 
C)  T-shaped 
D)  Square planar 
E)  Trigonal planar

Question 9

Give the approximate bond angle for a molecule with trigonal planar electron geometry and bent molecular geometry.

Accepted Answer

A)  <90° 
B)  90° 
C)  <120° 
D)  <109.5° 
E)  120° 
A)  <90° 
B)  90° 
C)  <120° 
D)  <109.5° 
E)  120°

Question 10

Determine the electron geometry (eg), molecular geometry (mg), and polarity of HBrO2.

Accepted Answer

A)  eg = trigonal bipyramidal, mg = trigonal planar, nonpolar 
B)  eg = octahedral, mg = square planar, nonpolar 
C)  eg = tetrahedral, mg = bent, polar 
D)  eg = tetrahedral, mg = linear, nonpolar 
E)  eg = linear, mg = linear, polar 
A)  eg = trigonal bipyramidal, mg = trigonal planar, nonpolar 
B)  eg = octahedral, mg = square planar, nonpolar 
C)  eg = tetrahedral, mg = bent, polar 
D)  eg = tetrahedral, mg = linear, nonpolar 
E)  eg = linear, mg = linear, polar

Question 11

What is the molecular geometry of Cl F4-?

Accepted Answer

A)  seesaw 
B)  square planar 
C)  square pyramidal 
D)  tetrahedral 
A)  seesaw 
B)  square planar 
C)  square pyramidal 
D)  tetrahedral

Question 12

Match the following.
-sp2

Accepted Answer

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

Question 13

Give the approximate bond angle for a molecule with T-shape molecular geometry.

Accepted Answer

A)  90° 
D)  <120° 
E)  120° 
A)  90° 
D)  <120° 
E)  120°

Question 14

Match the following.
-sp3

Accepted Answer

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

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

Question 16

Determine the electron geometry for the molecule BrF3.

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 17

A molecule or ion with eight electrons in bonding orbitals and two electrons in an antibonding orbital has a bond order of ________.

Accepted Answer

A)  1 
B)  1.5 
C)  2 
D)  2.5 
E)  3 
A)  1 
B)  1.5 
C)  2 
D)  2.5 
E)  3

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

Give the approximate bond angle between two equatorial positions for a molecule with a trigonal bipyramidal geometry.

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 20

Draw the Lewis structure for SO3. What is the hybridization on the S atom?

Accepted Answer

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

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

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

Give the approximate bond angle for a molecule with tetrahedral electron geometry and trigonal pyramidal molecular geometry.

Draw the Lewis structure for BrF5. What is the hybridization on the Br atom?

Determine the electron geometry (eg) and molecular geometry (mg) of BCl3.

Draw the Lewis structure for CO2. What is the hybridization on the C atom?

Using the VSEPR model, the molecular geometry of the central atom in BF3 is ________.

Identify the number of electron groups around a molecule with sp2 hybridization.

Determine the molecular geometry for the molecule BrF3.

Give the approximate bond angle for a molecule with trigonal planar electron geometry and bent molecular geometry.

Determine the electron geometry (eg), molecular geometry (mg), and polarity of HBrO2.

What is the molecular geometry of Cl F4-?

Match the following. -sp2

Give the approximate bond angle for a molecule with T-shape molecular geometry.

Match the following. -sp3

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

Determine the electron geometry for the molecule BrF3.

A molecule or ion with eight electrons in bonding orbitals and two electrons in an antibonding orbital has a bond order of ________.

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

Give the approximate bond angle between two equatorial positions for a molecule with a trigonal bipyramidal geometry.

Draw the Lewis structure for SO3. What is the hybridization on the S atom?

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 Metallurgy

Transition Metals and Coordination Compounds

Filters

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

Draw the Lewis structure for BrF₅. What is the hybridization on the Br atom?

Determine the electron geometry (eg) and molecular geometry (mg) of BCl₃.

Draw the Lewis structure for CO₂. What is the hybridization on the C atom?

Using the VSEPR model, the molecular geometry of the central atom in BF₃ is ________.

Identify the number of electron groups around a molecule with sp² hybridization.

Determine the molecular geometry for the molecule BrF₃.

Determine the electron geometry (eg), molecular geometry (mg), and polarity of HBrO₂.

What is the molecular geometry of Cl F₄^-?

Match the following. -sp²

Match the following. -sp³

Determine the electron geometry for the molecule BrF₃.

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

Draw the Lewis structure for SO₃. What is the hybridization on the S atom?