Question 1

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 2

Determine the electron geometry (eg)and molecular geometry (mg)of NCl3.

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

Question 3

Using the VSEPR model,the molecular geometry of the central atom in XeF2 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 4

Use 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- 
A) F2 
B) F22+ 
C) Ne22+ 
D) O22+ 
E) F22-

Question 5

Choose the compound below that contains at least one polar covalent bond but is nonpolar.

Accepted Answer

A) HCN 
B) CF4 
C) SeBr4 
D) ICl3 
A) HCN 
B) CF4 
C) SeBr4 
D) ICl3

Question 6

Draw a molecular orbital diagram and use it to determine which of the following is paramagnetic.

Accepted Answer

A) B22+ 
B) B22- 
C) N22+ 
D) C22- 
E) B2 
A) B22+ 
B) B22- 
C) N22+ 
D) C22- 
E) B2

Question 7

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 8

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 9

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 10

Determine the electron geometry (eg)and molecular geometry (mg)of PF5.

Accepted Answer

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

Question 11

What is the molecular geometry of NCl3?

Accepted Answer

A) T-shaped 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal 
A) T-shaped 
B) tetrahedral 
C) trigonal planar 
D) trigonal pyramidal

Question 12

Draw the Lewis structure for BF3.What is the hybridization on the B atom?

Accepted Answer

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

Question 13

Give the approximate bond angle for a molecule with tetrahedral electron geometry and bent 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 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 
A) sp3d2 
B) sp3d 
C) sp3 
D) sp2 
E) sp

Question 15

Determine the electron geometry (eg)and molecular geometry (mg)of ICl2-.

Accepted Answer

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

Question 16

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 17

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

Accepted Answer

A) 1 sigma,0 pi 
B) 0 sigma,1 pi 
C) 1 sigma,1 pi 
D) 1 sigma,2 pi 
A) 1 sigma,0 pi 
B) 0 sigma,1 pi 
C) 1 sigma,1 pi 
D) 1 sigma,2 pi

Question 18

How many of the following molecules have sp3 hybridization on the central atom? 
XeCl4 $\quad$CH4 $\quad$SF4 $\quad$C2H2

Accepted Answer

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

Question 19

Using the VSEPR model,the electron-domain geometry of the central atom in H2O  is ________.

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 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

What is the molecular geometry of SF5-?

Determine the electron geometry (eg)and molecular geometry (mg)of NCl3.

Using the VSEPR model,the molecular geometry of the central atom in XeF2 is ________.

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

Choose the compound below that contains at least one polar covalent bond but is nonpolar.

Draw a molecular orbital diagram and use it to determine which of the following is paramagnetic.

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

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

Determine the electron geometry for the molecule BrF3.

Determine the electron geometry (eg)and molecular geometry (mg)of PF5.

What is the molecular geometry of NCl3?

Draw the Lewis structure for BF3.What is the hybridization on the B atom?

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

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

Determine the electron geometry (eg)and molecular geometry (mg)of ICl2-.

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

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

How many of the following molecules have sp3 hybridization on the central atom? XeCl4 \quad CH4 \quad SF4 \quad C2H2

Using the VSEPR model,the electron-domain geometry of the central atom in H2O is ________.

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

What is the molecular geometry of SF₅^-?

Determine the electron geometry (eg)and molecular geometry (mg)of NCl₃.

Using the VSEPR model,the molecular geometry of the central atom in XeF₂ is ________.

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

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

Determine the electron geometry for the molecule BrF₃.

Determine the electron geometry (eg)and molecular geometry (mg)of PF₅.

What is the molecular geometry of NCl₃?

Draw the Lewis structure for BF₃.What is the hybridization on the B atom?

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

Determine the electron geometry (eg)and molecular geometry (mg)of ICl₂^-.

How many of the following molecules have sp³ hybridization on the central atom? XeCl₄ $\quad$ CH₄ $\quad$ SF₄ $\quad$ C₂H₂

Using the VSEPR model,the electron-domain geometry of the central atom in H₂O is ________.

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