Question 1

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.F) None of the above
G) D) and E)

Question 2

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 3

Select the correct Lewis structure for TeBr2. 2.   A) a B) b C) c D) d E) e" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and E)
G) A) and D)

Question 4

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 pyramidalF) C) and D)
G) B) and E)

Question 5

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)  +2F) B) and E)
G) C) and D)

Question 6

Select the Lewis structure for XeO2F2 which correctly minimizes formal charges. 2F2 which correctly minimizes formal charges.   A) a B) b C) c D) d E) e" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and E)
G) A) and D)

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

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 pyramidalF) D) and E)
G) A) and C)

Question 9

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.F) B) and C)
G) B) and E)

Question 10

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-sawF) C) and D)
G) B) and E)

Question 11

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

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

Hydrazine,N2H4,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure. 2H4,is a good reducing agent that has been used as a component in rocket fuels.Select its Lewis structure.   A) a B) b C) c D) d E) None of these choices is correct." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 14

Which of the following molecules has a net dipole moment?

Accepted Answer

A)  BeCl2
B)  SF2
C)  KrF2
D)  CO2
E)  CCl4F) None of the above
G) A) and E)

Exam 10: The Shapes of Molecules

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

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

Correct Answer
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Select the correct Lewis structure for TeBr₂.

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

Correct Answer
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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
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There are three electron groups around t...
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Which of the following molecules has a net dipole moment?

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

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

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

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

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

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

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

Correct Answer
verified

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

Correct Answer
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The Lewis structure has a lone pair on t...
View Answer

Exam 10: The Shapes of Molecules

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the correct Lewis structure for TeBr2.

Correct AnswerverifiedShow Answer

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

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

Which of the following molecules has a net dipole moment?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedThe Lewis structure has a lone pair on t...View AnswerShow Answer

Correct Answer
verified

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

Correct Answer
verified

Select the correct Lewis structure for TeBr₂.

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified
The Lewis structure has a lone pair on t...
View Answer