Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

According to VSEPR theory, a molecule with the general formula AX6 will have a ______ molecular shape.

Accepted Answer

A)   tetrahedral
B)   trigonal planar
C)   trigonal bipyramidal
D)   hexagonal
E)   octahedralF) C) and E)
G) C) and D)

Question 3

According to VSEPR theory, a molecule with the general formula AX4 will have a ______ molecular shape.

Accepted Answer

A)   bent
B)   trigonal planar
C)   trigonal pyramidal
D)   square planar
E)   tetrahedralF) A) and B)
G) B) and D)

Question 4

What is the molecular shape of NO2- as predicted by the VSEPR theory?

Accepted Answer

A)   linear
B)   trigonal planar
C)   bent
D)   tetrahedral
E)   resonantF) A) and E)
G) A) and C)

Question 5

According to VSEPR theory, a molecule with the general formula AX3 will have a ______ molecular shape.

Accepted Answer

A)   linear
B)   bent
C)   trigonal planar
D)   tetrahedral
E)   trigonal pyramidalF) B) and C)
G) A) and B)

Question 6

Draw the Lewis structure of XeF4. Use this structure, in conjunction with VSEPR theory, to predict the shape of this molecule. Outline your reasoning.

Accepted Answer

The Lewis structure is shown below. The ...

Question 7

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 8

Which one of the following molecules has a zero dipole moment?

Accepted Answer

A)   SO2
B)   HCl
C)   CS2
D)   CO
E)   Cl2OF) B) and E)
G) D) and E)

Question 9

Select the best Lewis structure for P2I4.

Accepted Answer

A)   2I4. 
A)     
B)     
C)     
D)     
E)   None of the above structures is suitable for P2I4." class="answers-bank-image d-inline" rel="preload" >
B)   2I4. 
A)     
B)     
C)     
D)     
E)   None of the above structures is suitable for P2I4." class="answers-bank-image d-inline" rel="preload" >
C)   2I4. 
A)     
B)     
C)     
D)     
E)   None of the above structures is suitable for P2I4." class="answers-bank-image d-inline" rel="preload" >
D)   2I4. 
A)     
B)     
C)     
D)     
E)   None of the above structures is suitable for P2I4." class="answers-bank-image d-inline" rel="preload" >
E)   None of the above structures is suitable for P2I4.F) All of the above
G) A) and E)

Exam 10: The Shapes of Molecules

Select the best Lewis structure for P₂I₄.

Correct Answer
verified

What is the molecular shape of NO₂^- as predicted by the VSEPR theory?

Correct Answer
verified

Which one of the following molecules has a zero dipole moment?

Correct Answer
verified

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.

Correct Answer
verified
There are three electron groups around t...
View Answer

Draw the Lewis structure of XeF₄. Use this structure, in conjunction with VSEPR theory, to predict the shape of this molecule. Outline your reasoning.

Correct Answer
verified
The Lewis structure is shown below. The ...
View Answer

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

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₃ will have a ______ molecular shape.

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₄will have a ______ molecular shape.

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₆ will have a ______ molecular shape.

Correct Answer
verified

Exam 10: The Shapes of Molecules

Select the best Lewis structure for P2I4.

Correct AnswerverifiedShow Answer

What is the molecular shape of NO2- as predicted by the VSEPR theory?

Correct AnswerverifiedShow Answer

Which one of the following molecules has a zero dipole moment?

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedThere are three electron groups around t...View AnswerShow Answer

Draw the Lewis structure of XeF4. Use this structure, in conjunction with VSEPR theory, to predict the shape of this molecule. Outline your reasoning.

Correct AnswerverifiedThe Lewis structure is shown below. The ...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

According to VSEPR theory, a molecule with the general formula AX3 will have a ______ molecular shape.

Correct AnswerverifiedShow Answer

According to VSEPR theory, a molecule with the general formula AX4 will have a ______ molecular shape.

Correct AnswerverifiedShow Answer

According to VSEPR theory, a molecule with the general formula AX6 will have a ______ molecular shape.

Correct AnswerverifiedShow Answer

Select the best Lewis structure for P₂I₄.

Correct Answer
verified

What is the molecular shape of NO₂^- as predicted by the VSEPR theory?

Correct Answer
verified

Correct Answer
verified

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.

Correct Answer
verified
There are three electron groups around t...
View Answer

Draw the Lewis structure of XeF₄. Use this structure, in conjunction with VSEPR theory, to predict the shape of this molecule. Outline your reasoning.

Correct Answer
verified
The Lewis structure is shown below. The ...
View Answer

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₃ will have a ______ molecular shape.

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₄will have a ______ molecular shape.

Correct Answer
verified

According to VSEPR theory, a molecule with the general formula AX₆ will have a ______ molecular shape.

Correct Answer
verified