Question 1

Which one of the following pure substance has both dispersion forces and dipole-dipole forces?

Accepted Answer

A) HCl 
B) BCl3 
C) Br2 
D) H2 
E) CO2 
A) HCl 
B) BCl3 
C) Br2 
D) H2 
E) CO2 A

Question 2

Using the VSEPR model, what is the predicted molecular geometry of the PCl3 molecule?

Accepted Answer

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

Question 3

Which of the following is defined as the attractive forces between polar molecules? I.dispersion forces
II)dipole-dipole interactions
Ion-dipole interactions

Accepted Answer

A) I and III 
B) II only 
C) III only 
D) I, II, and III 
E) I only 
A) I and III 
B) II only 
C) III only 
D) I, II, and III 
E) I only B

Question 4

Octane is a component of fuel used in internal combustion engines.The dominant intermolecular forces in octane are

Accepted Answer

A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonds. 
E) carbon-hydrogen bonds. 
A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) covalent bonds. 
E) carbon-hydrogen bonds.

Question 5

In which of the following compounds will the molecules not form hydrogen bonds with each other?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

What is the molecular geometry of N2O as predicted by the VSEPR model?

Accepted Answer

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

Question 7

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces
II)dipole-dipole interactions
Ion-dipole interactions

Accepted Answer

A) I only 
B) II only 
C) III only 
D) I, II, and III 
E) I and III 
A) I only 
B) II only 
C) III only 
D) I, II, and III 
E) I and III

Question 8

Predict the molecular geometry and polarity of the SO2 molecule.

Accepted Answer

A) linear, polar 
B) linear, nonpolar 
C) bent, polar 
D) bent, nonpolar 
E) trigonal planar, polar 
A) linear, polar 
B) linear, nonpolar 
C) bent, polar 
D) bent, nonpolar 
E) trigonal planar, polar

Question 9

According to the VSEPR model, the predicted molecular geometry of SiCl4 is

Accepted Answer

A) linear. 
B) trigonal planar. 
C) bent. 
D) tetrahedral. 
E) trigonal pyramidal. 
A) linear. 
B) trigonal planar. 
C) bent. 
D) tetrahedral. 
E) trigonal pyramidal.

Question 10

The strongest intermolecular interactions between pentane (C5H12) molecules arise from

Accepted Answer

A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) ion-dipole interactions. 
E) carbon-carbon bonds. 
A) dipole-dipole forces. 
B) London dispersion forces. 
C) hydrogen bonding. 
D) ion-dipole interactions. 
E) carbon-carbon bonds.

Question 11

Place the following in order of decreasing electronegativity. Mg Cl F

Accepted Answer

A) Mg > Cl > F 
B) F > Cl > Mg 
C) Cl > F > Mg 
D) Cl > Mg > F 
E) F > Mg > Cl 
A) Mg > Cl > F 
B) F > Cl > Mg 
C) Cl > F > Mg 
D) Cl > Mg > F 
E) F > Mg > Cl

Question 12

What is the molecular geometry of ClF2− as predicted by the VSEPR model?

Accepted Answer

A) linear 
B) bent 
C) seesaw 
D) T-shaped 
E) trigonal bipyramidal 
A) linear 
B) bent 
C) seesaw 
D) T-shaped 
E) trigonal bipyramidal

Question 13

According to the VSEPR model, the predicted molecular geometry of ammonia, NH3, is

Accepted Answer

A) linear. 
B) trigonal planar. 
C) bent. 
D) tetrahedral. 
E) trigonal pyramidal. 
A) linear. 
B) trigonal planar. 
C) bent. 
D) tetrahedral. 
E) trigonal pyramidal.

Question 14

Which of the following pure substances has the strongest dispersion forces?

Accepted Answer

A) C4H10 
B) C5H12 
C) C6H14 
D) C7H16 
E) C8H18 
A) C4H10 
B) C5H12 
C) C6H14 
D) C7H16 
E) C8H18

Question 15

Place the following in order of increasing electronegativity. Se K Cl

Accepted Answer

A) Cl < Se < K 
B) K < Se < Cl 
C) K < Cl < Se 
D) Se < Cl < K 
E) Cl < K < Se 
A) Cl < Se < K 
B) K < Se < Cl 
C) K < Cl < Se 
D) Se < Cl < K 
E) Cl < K < Se

Question 16

How many lone pairs of electrons need to be added to complete this Lewis structure?

Accepted Answer

A) 5 
B) 8 
C) 6 
D) 1 
E) 16 
A) 5 
B) 8 
C) 6 
D) 1 
E) 16

Question 17

Place the following in order of increasing electronegativity. Cs O S

Accepted Answer

A) O < S < Cs 
B) S < O < Cs 
C) Cs < S < O 
D) Cs < O < S 
E) O < Cs < S 
A) O < S < Cs 
B) S < O < Cs 
C) Cs < S < O 
D) Cs < O < S 
E) O < Cs < S

Question 18

Which one of the following pure substances will exhibit hydrogen bonding?

Accepted Answer

A) CH4 
B) H2C=CH2 
C) H2O 
D) CHCl3 
E) CHF3 
A) CH4 
B) H2C=CH2 
C) H2O 
D) CHCl3 
E) CHF3

Question 19

Which one of the following molecules is nonpolar?

Accepted Answer

A) NH3 
B) OF2 
C) CH3Cl 
D) H2O 
E) BeCl2 
A) NH3 
B) OF2 
C) CH3Cl 
D) H2O 
E) BeCl2

Question 20

The number of resonance structures for the nitrate ion that satisfy the octet rule is

Accepted Answer

A) 1. 
B) 2. 
C) 3. 
D) 4. 
E) none of these 
A) 1. 
B) 2. 
C) 3. 
D) 4. 
E) none of these

Which one of the following pure substance has both dispersion forces and dipole-dipole forces?

Using the VSEPR model, what is the predicted molecular geometry of the PCl₃ molecule?

Which of the following is defined as the attractive forces between polar molecules? I.dispersion forces II)dipole-dipole interactions Ion-dipole interactions

Octane is a component of fuel used in internal combustion engines.The dominant intermolecular forces in octane are

In which of the following compounds will the molecules not form hydrogen bonds with each other?

What is the molecular geometry of N₂O as predicted by the VSEPR model?

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces II)dipole-dipole interactions Ion-dipole interactions

Predict the molecular geometry and polarity of the SO₂ molecule.

According to the VSEPR model, the predicted molecular geometry of SiCl₄ is

The strongest intermolecular interactions between pentane (C₅H₁₂) molecules arise from

Place the following in order of decreasing electronegativity. Mg Cl F

What is the molecular geometry of ClF₂⁻ as predicted by the VSEPR model?

According to the VSEPR model, the predicted molecular geometry of ammonia, NH₃, is

Which of the following pure substances has the strongest dispersion forces?

Place the following in order of increasing electronegativity. Se K Cl

How many lone pairs of electrons need to be added to complete this Lewis structure?

Place the following in order of increasing electronegativity. Cs O S

Which one of the following pure substances will exhibit hydrogen bonding?

Which one of the following molecules is nonpolar?

The number of resonance structures for the nitrate ion that satisfy the octet rule is

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Exam 6: Molecular Shape

Which one of the following pure substance has both dispersion forces and dipole-dipole forces?

Using the VSEPR model, what is the predicted molecular geometry of the PCl3 molecule?

Which of the following is defined as the attractive forces between polar molecules? I.dispersion forces II)dipole-dipole interactions Ion-dipole interactions

Octane is a component of fuel used in internal combustion engines.The dominant intermolecular forces in octane are

In which of the following compounds will the molecules not form hydrogen bonds with each other?

What is the molecular geometry of N2O as predicted by the VSEPR model?

Which kinds of intermolecular forces exist between propane molecules? I.dispersion forces II)dipole-dipole interactions Ion-dipole interactions

Predict the molecular geometry and polarity of the SO2 molecule.

According to the VSEPR model, the predicted molecular geometry of SiCl4 is

The strongest intermolecular interactions between pentane (C5H12) molecules arise from

Place the following in order of decreasing electronegativity. Mg Cl F

What is the molecular geometry of ClF2− as predicted by the VSEPR model?

According to the VSEPR model, the predicted molecular geometry of ammonia, NH3, is

Which of the following pure substances has the strongest dispersion forces?

Place the following in order of increasing electronegativity. Se K Cl

How many lone pairs of electrons need to be added to complete this Lewis structure?

Place the following in order of increasing electronegativity. Cs O S

Which one of the following pure substances will exhibit hydrogen bonding?

Which one of the following molecules is nonpolar?

The number of resonance structures for the nitrate ion that satisfy the octet rule is

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Acids and Bases

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

Using the VSEPR model, what is the predicted molecular geometry of the PCl₃ molecule?

What is the molecular geometry of N₂O as predicted by the VSEPR model?

Predict the molecular geometry and polarity of the SO₂ molecule.

According to the VSEPR model, the predicted molecular geometry of SiCl₄ is

The strongest intermolecular interactions between pentane (C₅H₁₂) molecules arise from

What is the molecular geometry of ClF₂⁻ as predicted by the VSEPR model?

According to the VSEPR model, the predicted molecular geometry of ammonia, NH₃, is