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

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Question 61

Multiple Choice

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

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

F) None of the above
G) A) and D)

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Question 62

Multiple Choice

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The number of pi bonds in the molecule below is

A) 2
B) 4
C) 6
D) 10
E) 15

F) A) and E)
G) A) and B)

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Question 63

Multiple Choice

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Which one of the following molecules is polar?

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?

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

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

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

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

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?

The geometry of the CS₂ molecule is best described as

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

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

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

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

Predict the geometry and polarity of the CS₂ molecule.

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

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

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

Predict the molecular geometry and polarity of the SO₂ molecule.

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?