Question 1

Which one of the following molecules is polar?

Accepted Answer

A)  PBr5
B)  CCl4
C)  BrF5
D)  XeF2
E)  XeF4F) A) and B)
G) C) and D)

Question 2

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents.  How many sigma bonds and pi bonds are contained in a DEET molecule?

Accepted Answer

31 sigma b...

Question 3

Use VSEPR theory to explain why the water molecule is bent, rather than linear.

Accepted Answer

About the central oxygen atom are two lo...

Question 4

Indicate the type of hybrid orbitals used by the central atom in TeF4.

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) All of the above
G) A) and B)

Question 5

N,N-diethyl-m-tolumide (DEET) is the active ingredient in many mosquito repellents.What is the hybridization state of the nitrogen atom in the structure of DEET shown below? 2 C) sp3 D) sp3d E) sp3d2" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) B) and E)
G) A) and D)

Question 6

What is the hybridization of the As atom in the AsF5 molecule?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and D)
G) A) and E)

Question 7

Predict the geometry and polarity of the CS2 molecule.

Accepted Answer

A)  linear, polar
B)  linear, nonpolar
C)  tetrahedral, nonpolar
D)  bent, nonpolar
E)  bent, polarF) A) and E)
G) A) and C)

Question 8

The bond angles in CO32- are expected to be

Accepted Answer

A)  a little less than 109.5°.
B)  109.5°.
C)  a little less than 120°.
D)  120°.
E)  a little more than 120°.F) C) and D)
G) A) and B)

Question 9

Which of the following species has the largest dipole moment (i.e., is the most polar) ?

Accepted Answer

A)  CH4
B)  CH3Br
C)  CH3Cl
D)  CH3F
E)  CH3IF) B) and D)
G) A) and C)

Question 10

What is the hybridization on the central atom in NO3-?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and B)
G) A) and C)

Question 11

The number of pi bonds in the molecule below is

Accepted Answer

A)  2
B)  4
C)  6
D)  10
E)  15F) A) and B)
G) None of the above

Question 12

Use VSEPR theory to predict the molecular geometry of SF4 (sulfur tetrafluoride).

Accepted Answer

distorted ...

Question 13

Indicate the type of hybrid orbitals used by the central atom in SF6.

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and D)
G) None of the above

Question 14

According to the VSEPR theory, the molecular geometry of boron trichloride is

Accepted Answer

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

Question 15

The BrF5 molecule has polar bonds and has a net dipole moment.

Accepted Answer

A) True 
 B)False

Question 16

If a triatomic molecule is linear, then the hybridization of the central atom will be

Accepted Answer

A)  sp
B)  sp2
C)  sp or sp3
D)  sp or sp3d
E)  sp2 or sp3d2F) B) and C)
G) A) and E)

Question 17

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

Question 18

Indicate the number of $\pi$-bonds in N2H2.

Accepted Answer

The answer of Indicate the number of $\pi$-bonds in N2H2....

Question 19

Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever.  How many sigma bonds and pi bonds are contained in a ibuprofen molecule?

Accepted Answer

33 sigma b...

Question 20

The geometry of the CS2 molecule is best described as

Accepted Answer

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

Exam 10: Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Indicate the type of hybrid orbitals used by the central atom in TeF4.

Correct AnswerverifiedShow Answer

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents. How many sigma bonds and pi bonds are contained in a DEET molecule?

Correct Answerverified31 sigma b...View AnswerShow Answer

The BrF5 molecule has polar bonds and has a net dipole moment.

Correct AnswerverifiedShow Answer

N,N-diethyl-m-tolumide (DEET) is the active ingredient in many mosquito repellents.What is the hybridization state of the nitrogen atom in the structure of DEET shown below?

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Use VSEPR theory to explain why the water molecule is bent, rather than linear.

Correct AnswerverifiedAbout the central oxygen atom are two lo...View AnswerShow Answer

What is the hybridization of the As atom in the AsF5 molecule?

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The bond angles in CO32- are expected to be

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The number of pi bonds in the molecule below is

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Which of the following species has the largest dipole moment (i.e., is the most polar) ?

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What is the hybridization on the central atom in NO3-?

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Predict the geometry and polarity of the CS2 molecule.

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If a triatomic molecule is linear, then the hybridization of the central atom will be

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Which one of the following molecules is polar?

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The geometry of the CS2 molecule is best described as

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According to the VSEPR theory, the molecular geometry of boron trichloride is

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Indicate the type of hybrid orbitals used by the central atom in SF6.

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Predict the molecular geometry and polarity of the SO2 molecule.

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Indicate the number of π\piπ -bonds in N2H2.

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Ibuprofen is used as an analgesic for the relief of pain, and also to help reduce fever. How many sigma bonds and pi bonds are contained in a ibuprofen molecule?

Correct Answerverified33 sigma b...View AnswerShow Answer

Use VSEPR theory to predict the molecular geometry of SF4 (sulfur tetrafluoride).

Correct Answerverifieddistorted ...View AnswerShow Answer

Indicate the type of hybrid orbitals used by the central atom in TeF₄.

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31 sigma b...
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The BrF₅ molecule has polar bonds and has a net dipole moment.

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About the central oxygen atom are two lo...
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What is the hybridization of the As atom in the AsF₅ molecule?

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The bond angles in CO₃^2- are expected to be

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What is the hybridization on the central atom in NO₃^-?

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Predict the geometry and polarity of the CS₂ molecule.

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The geometry of the CS₂ molecule is best described as

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Indicate the type of hybrid orbitals used by the central atom in SF₆.

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Predict the molecular geometry and polarity of the SO₂ molecule.

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Indicate the number of $\pi$ -bonds in N₂H₂.

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33 sigma b...
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Use VSEPR theory to predict the molecular geometry of SF₄ (sulfur tetrafluoride).

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distorted ...
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