Question 1

Give the approximate bond angle for a molecule with a tetrahedral shape.

Accepted Answer

A) 109.5° 
B) 180° 
C) 120° 
D) 105°

Question 2

Determine the electron geometry (eg)and molecular geometry (mg)of ICl4-1.

Accepted Answer

A) eg = tetrahedral,mg = tetrahedral 
B) eg = linear,mg = linear 
C) eg = tetrahedral,mg = bent 
D) eg = trigonal bipyramidal,mg = tetrahedral 
E) eg = octahedral,mg = square planar

Question 3

How many of the following molecules have sp hybridization on the central atom?
C2Cl2 CO2 O3 H2O

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 4

Determine the electron geometry (eg)and molecular geometry (mg)of CO2.

Accepted Answer

A) eg = tetrahedral,mg = tetrahedral 
B) eg = linear,mg = linear 
C) eg = tetrahedral,mg = bent 
D) eg = trigonal bipyramidal,mg = tetrahedral 
E) eg = octahedral,mg = square planar

Question 5

Determine the electron geometry (eg)and molecular geometry (mg)of PF5.

Accepted Answer

A) eg = trigonal bipyramidal,mg = trigonal bipyramidal 
B) eg = octahedral,mg = octahedral 
C) eg = trigonal bipyramidal,mg = tetrahedral 
D) eg = tetrahedral,mg = trigonal pyramidal 
E) eg = trigonal planar,mg = octahedral

Question 6

Draw the Lewis structure for BrCl3.What is the hybridization on the Br atom?

Accepted Answer

A) sp3d2 
B) sp3d 
C) sp3 
D) sp2 
E) sp

Question 7

Determine the electron geometry,molecular geometry and polarity around the O of CH3OH .

Accepted Answer

A) eg = trigonal bipyramidal,mg = trigonal planar,nonpolar 
B) eg = octahedral,mg = square planar,nonpolar 
C) eg = tetrahedral,mg = bent,polar 
D) eg = tetrahedral,mg = linear,nonpolar 
E) eg = linear,mg = linear,polar

Question 8

The VSEPR model predicts the H-O-H bond angle in H3O+ to be ________.

Accepted Answer

A) 60° 
B) 90° 
C) less than 109.5° but greater than 90° 
D) 109.5°

Question 9

A molecule containing a central atom with sp3d2 hybridization has a(n)________ electron geometry.

Accepted Answer

A) octahedral 
B) trigonal bipyramidal 
C) tetrahedral 
D) trigonal planar 
E) trigonal pyramidal

Question 10

Using the VSEPR model,the molecular geometry of the central atom in XeF4 is ________.

Accepted Answer

A) tetrahedral 
B) seesaw 
C) square planar 
D) trigonal bipyramidal 
E) square pyramidal

Question 11

Place the following in order of increasing X-A-X bond angle,where A represents the central atom and X represents the outer atoms in each molecule.
HCN H2O H3O⁺

Accepted Answer

A) HCN 2O 3O⁺ 
B) H3O⁺ 2O 3O⁺ 2O 
D) H2O 3O⁺ 
E) H2O 3O⁺ < HCN

Question 12

What is the molecular geometry of ClF4-?

Accepted Answer

A) seesaw 
B) square planar 
C) square pyramidal 
D) tetrahedral

Question 13

From left to right,identify the hybridization on the carbons in CH3CN.

Accepted Answer

A) 1 = sp3,2 = sp3 
B) 1 = sp2,2 = sp2 
C) 1 = sp,2 = sp 
D) 1 = sp,2 = sp3 
E) 1 = sp3,2 = sp

Question 14

Match the following.
-CH2F2

Accepted Answer

A) polar 
B) s2p hybridized central atom 
C) see-saw molecular geometry 
D) sp hybridized central atom 
E) nonpolar,but contains a polar covalent bond
F)octahedral electron geometry
G)polar,but contains no polar bonds.

Question 15

How many of the following molecules contain at least one pi bond?
C2H6 Cl2CO C2Cl4 SeS3

Accepted Answer

A) 0 
B) 1 
C) 3 
D) 4 
E) 2

Question 16

How many of the following molecules are polar? XeCl2 COF2 PCl4F SF6

Accepted Answer

A) 0 
B) 3 
C) 1 
D) 2 
E) 4

Question 17

Place the following in order of decreasing dipole moment.
I.cis-CHCl=CHCl 
II.trans-CHCl=CHCI 
III.cis-CHF=CHF

Accepted Answer

A) III > I > II 
B) II > I > III 
C) I > III > II 
D) II > III > I 
E) I = III > II

Question 18

How many of the following molecules are polar?
PCl5 COS XeO3 SeBr2

Accepted Answer

A) 2 
B) 0 
C) 1 
D) 3 
E) 4

Question 19

Using the VSEPR model,the electron-domain geometry of the central atom in BrF4- is ________.

Accepted Answer

A) linear 
B) trigonal planar 
C) tetrahedral 
D) trigonal bipyramidal 
E) octahedral

Question 20

The hybrid orbital set used by the central atom in NCl3 is ________.

Accepted Answer

A) sp 
B) sp2 
C) sp3 
D) sp3d 
E) sp3d2

Exam 10: Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Give the approximate bond angle for a molecule with a tetrahedral shape.

Determine the electron geometry (eg) and molecular geometry (mg) of ICl₄^-1.

How many of the following molecules have sp hybridization on the central atom? C₂Cl₂ CO₂ O₃ H₂O

Determine the electron geometry (eg) and molecular geometry (mg) of CO₂.

Determine the electron geometry (eg) and molecular geometry (mg) of PF₅.

Draw the Lewis structure for BrCl₃.What is the hybridization on the Br atom?

Determine the electron geometry,molecular geometry and polarity around the O of CH₃OH .

The VSEPR model predicts the H-O-H bond angle in H₃O⁺ to be ________.

A molecule containing a central atom with sp³d² hybridization has a(n) ________ electron geometry.

Using the VSEPR model,the molecular geometry of the central atom in XeF₄ is ________.

Place the following in order of increasing X-A-X bond angle,where A represents the central atom and X represents the outer atoms in each molecule. HCN H₂O H₃O^⁺

What is the molecular geometry of ClF₄^-?

From left to right,identify the hybridization on the carbons in CH₃CN.

Match the following. -CH₂F₂

How many of the following molecules contain at least one pi bond? C₂H₆ Cl₂CO C₂Cl₄ SeS₃

How many of the following molecules are polar? XeCl₂ COF₂ PCl₄F SF₆

Place the following in order of decreasing dipole moment. I.cis-CHCl=CHCl II.trans-CHCl=CHCI III.cis-CHF=CHF

How many of the following molecules are polar? PCl₅ COS XeO₃ SeBr₂

Using the VSEPR model,the electron-domain geometry of the central atom in BrF₄^- is ________.

The hybrid orbital set used by the central atom in NCl₃ is ________.

Exam 10: Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

Give the approximate bond angle for a molecule with a tetrahedral shape.

Determine the electron geometry (eg) and molecular geometry (mg) of ICl4-1.

How many of the following molecules have sp hybridization on the central atom? C2Cl2 CO2 O3 H2O

Determine the electron geometry (eg) and molecular geometry (mg) of CO2.

Determine the electron geometry (eg) and molecular geometry (mg) of PF5.

Draw the Lewis structure for BrCl3.What is the hybridization on the Br atom?

Determine the electron geometry,molecular geometry and polarity around the O of CH3OH .

The VSEPR model predicts the H-O-H bond angle in H3O+ to be ________.

A molecule containing a central atom with sp3d2 hybridization has a(n) ________ electron geometry.

Using the VSEPR model,the molecular geometry of the central atom in XeF4 is ________.

Place the following in order of increasing X-A-X bond angle,where A represents the central atom and X represents the outer atoms in each molecule. HCN H2O H3O⁺

What is the molecular geometry of ClF4-?

From left to right,identify the hybridization on the carbons in CH3CN.

Match the following. -CH2F2

How many of the following molecules contain at least one pi bond? C2H6 Cl2CO C2Cl4 SeS3

How many of the following molecules are polar? XeCl2 COF2 PCl4F SF6

Place the following in order of decreasing dipole moment. I.cis-CHCl=CHCl II.trans-CHCl=CHCI III.cis-CHF=CHF

How many of the following molecules are polar? PCl5 COS XeO3 SeBr2

Using the VSEPR model,the electron-domain geometry of the central atom in BrF4- is ________.

The hybrid orbital set used by the central atom in NCl3 is ________.

Determine the electron geometry (eg) and molecular geometry (mg) of ICl₄^-1.

How many of the following molecules have sp hybridization on the central atom? C₂Cl₂ CO₂ O₃ H₂O

Determine the electron geometry (eg) and molecular geometry (mg) of CO₂.

Determine the electron geometry (eg) and molecular geometry (mg) of PF₅.

Draw the Lewis structure for BrCl₃.What is the hybridization on the Br atom?

Determine the electron geometry,molecular geometry and polarity around the O of CH₃OH .

The VSEPR model predicts the H-O-H bond angle in H₃O⁺ to be ________.

A molecule containing a central atom with sp³d² hybridization has a(n) ________ electron geometry.

Using the VSEPR model,the molecular geometry of the central atom in XeF₄ is ________.

Place the following in order of increasing X-A-X bond angle,where A represents the central atom and X represents the outer atoms in each molecule. HCN H₂O H₃O^⁺

What is the molecular geometry of ClF₄^-?

From left to right,identify the hybridization on the carbons in CH₃CN.

Match the following. -CH₂F₂

How many of the following molecules contain at least one pi bond? C₂H₆ Cl₂CO C₂Cl₄ SeS₃

How many of the following molecules are polar? XeCl₂ COF₂ PCl₄F SF₆

How many of the following molecules are polar? PCl₅ COS XeO₃ SeBr₂

Using the VSEPR model,the electron-domain geometry of the central atom in BrF₄^- is ________.

The hybrid orbital set used by the central atom in NCl₃ is ________.