Question 1

Which of the following molecules has a net dipole moment?

Accepted Answer

A) BeCl2 
B) SF2 
C) KrF2 
D) CO2 
E) CCl4 
A) BeCl2 
B) SF2 
C) KrF2 
D) CO2 
E) CCl4

Question 2

What is the molecular shape of SCl3F as predicted by the VSEPR theory?

Accepted Answer

A) linear 
B) bent 
C) see-saw 
D) T-shaped 
E) trigonal pyramidal 
A) linear 
B) bent 
C) see-saw 
D) T-shaped 
E) trigonal pyramidal

Question 3

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) None of these choices is correct. 
A) a 
B) b 
C) c 
D) d 
E) None of these choices is correct.

Question 4

Select the correct Lewis structure for TeBr2.

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 5

According to VSEPR theory,a molecule with the general formula AX2E2 will have a _____ molecular shape.

Accepted Answer

A) linear 
B) bent 
C) trigonal planar 
D) tetrahedral 
E) see-saw 
A) linear 
B) bent 
C) trigonal planar 
D) tetrahedral 
E) see-saw

Question 6

What is the molecular shape of BCl3 as predicted by the VSEPR theory?

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 7

What is the shape of the PF3 molecule? Explain your answer,using VSEPR theory.

Accepted Answer

The Lewis structure has a lone pair on t

Question 8

Select the Lewis structure for XeO2F2 which correctly minimizes formal charges.

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e 
A) a 
B) b 
C) c 
D) d 
E) e

Question 9

The Lewis structure of formaldehyde,CH2O,is shown.Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle.Outline your reasoning.

Accepted Answer

There are three electron groups around t

Question 10

What is the molecular shape of ClCN as predicted by the VSEPR theory? (Carbon is the central atom. )

Accepted Answer

A) linear 
B) bent 
C) angular 
D) trigonal 
E) None of these choices is correct. 
A) linear 
B) bent 
C) angular 
D) trigonal 
E) None of these choices is correct.

Question 11

Hydrazine,N2H4,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure.

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) None of these choices is correct. 
A) a 
B) b 
C) c 
D) d 
E) None of these choices is correct.

Question 12

The formal charge on Cl in the structure shown for the perchlorate ion is

Accepted Answer

A) -2 
B) -1 
C) 0 
D) +1 
E) +2 
A) -2 
B) -1 
C) 0 
D) +1 
E) +2

Question 13

When resonance occurs,the bond lengths in a molecule fluctuate rapidly.

Accepted Answer

A) True 
 B)False

Question 14

According to VSEPR theory,a molecule with the general formula AX3E2 (where E represents a lone pair on A)will be trigonal planar.

Accepted Answer

A) True 
 B)False

Which of the following molecules has a net dipole moment?

What is the molecular shape of SCl₃F as predicted by the VSEPR theory?

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Select the correct Lewis structure for TeBr₂.

According to VSEPR theory,a molecule with the general formula AX₂E₂ will have a _____ molecular shape.

What is the molecular shape of BCl₃ as predicted by the VSEPR theory?

What is the shape of the PF₃ molecule? Explain your answer,using VSEPR theory.

Select the Lewis structure for XeO₂F₂ which correctly minimizes formal charges.

The Lewis structure of formaldehyde,CH₂O,is shown.Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle.Outline your reasoning.

What is the molecular shape of ClCN as predicted by the VSEPR theory? (Carbon is the central atom. )

Hydrazine,N₂H₄,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure.

The formal charge on Cl in the structure shown for the perchlorate ion is

When resonance occurs,the bond lengths in a molecule fluctuate rapidly.

According to VSEPR theory,a molecule with the general formula AX₃E₂ (where E represents a lone pair on A)will be trigonal planar.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 10: The Shapes of Molecules

Which of the following molecules has a net dipole moment?

What is the molecular shape of SCl3F as predicted by the VSEPR theory?

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Select the correct Lewis structure for TeBr2.

According to VSEPR theory,a molecule with the general formula AX2E2 will have a _____ molecular shape.

What is the molecular shape of BCl3 as predicted by the VSEPR theory?

What is the shape of the PF3 molecule? Explain your answer,using VSEPR theory.

Select the Lewis structure for XeO2F2 which correctly minimizes formal charges.

The Lewis structure of formaldehyde,CH2O,is shown.Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle.Outline your reasoning.

What is the molecular shape of ClCN as predicted by the VSEPR theory? (Carbon is the central atom. )

Hydrazine,N2H4,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure.

The formal charge on Cl in the structure shown for the perchlorate ion is

When resonance occurs,the bond lengths in a molecule fluctuate rapidly.

According to VSEPR theory,a molecule with the general formula AX3E2 (where E represents a lone pair on A)will be trigonal planar.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

Theories of Covalent Bonding

Intermolecular Forces: Liquids,solids,and Phase Changes

The Properties of Solutions

The Main-Group Elements: Applying Principles of Bonding and Structure

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

What is the molecular shape of SCl₃F as predicted by the VSEPR theory?

Select the correct Lewis structure for TeBr₂.

According to VSEPR theory,a molecule with the general formula AX₂E₂ will have a _____ molecular shape.

What is the molecular shape of BCl₃ as predicted by the VSEPR theory?

What is the shape of the PF₃ molecule? Explain your answer,using VSEPR theory.

Select the Lewis structure for XeO₂F₂ which correctly minimizes formal charges.

The Lewis structure of formaldehyde,CH₂O,is shown.Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle.Outline your reasoning.

Hydrazine,N₂H₄,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure.

According to VSEPR theory,a molecule with the general formula AX₃E₂ (where E represents a lone pair on A)will be trigonal planar.