Question 1

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

Accepted Answer

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

Question 2

How many of the following molecules are polar? XeO2 SiCl2F2 C2Br2 SeBr6

Accepted Answer

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

Question 3

Determine the electron geometry (eg)and molecular geometry (mg)of KrF4.

Accepted Answer

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

Question 4

Determine the electron geometry (eg)and molecular geometry (mg)of SiBr4.

Accepted Answer

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

Question 5

Give the electron geometry (eg),molecular geometry (mg),and hybridization for XeF4.

Accepted Answer

A)  eg = tetrahedral, mg = tetrahedral, sp3 
B)  eg = trigonal pyramidal, mg = trigonal pyramidal, sp3 
C)  eg = octahedral, mg = square planar, sp3d2 
D)  eg = octahedral, mg = tetrahedral, sp3d2 
E)  eg = trigonal bipyramidal, mg = seesaw, sp3d 
A)  eg = tetrahedral, mg = tetrahedral, sp3 
B)  eg = trigonal pyramidal, mg = trigonal pyramidal, sp3 
C)  eg = octahedral, mg = square planar, sp3d2 
D)  eg = octahedral, mg = tetrahedral, sp3d2 
E)  eg = trigonal bipyramidal, mg = seesaw, sp3d

Question 6

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeF4.

Accepted Answer

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

Question 7

Consider the molecule below.Determine the hybridization at each of the 3 labeled atoms.

Accepted Answer

A)  1 = sp2, 2 = sp3, 3 = sp2 
B)  1 = sp2, 2 = sp3, 3 = sp3 
C)  1 = sp3, 2 = sp3, 3 = sp3 
D)  1 = sp3, 2 = sp3, 3 = sp2 
E)  1 = sp3, 2 = sp , 3 = sp  
A)  1 = sp2, 2 = sp3, 3 = sp2 
B)  1 = sp2, 2 = sp3, 3 = sp3 
C)  1 = sp3, 2 = sp3, 3 = sp3 
D)  1 = sp3, 2 = sp3, 3 = sp2 
E)  1 = sp3, 2 = sp , 3 = sp

Question 8

The orbital hybridization on the carbon atoms in HCN is

Accepted Answer

A)  sp. 
B)  sp2. 
C)  sp3. 
D)  sp3d2. 
A)  sp. 
B)  sp2. 
C)  sp3. 
D)  sp3d2.

Question 9

Using the VSEPR model,the electron-domain geometry of the central atom in ICl4- is

Accepted Answer

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

Question 10

List the number of sigma bonds and pi bonds in a double bond.

Accepted Answer

A)  1 sigma, 1 pi 
B)  2 sigma, 1 pi 
C)  2 sigma, 2 pi 
D)  1 sigma, 2 pi 
A)  1 sigma, 1 pi 
B)  2 sigma, 1 pi 
C)  2 sigma, 2 pi 
D)  1 sigma, 2 pi

Question 11

Give the hybridization for the Br in BrCl3.

Accepted Answer

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

Question 12

Determine the electron geometry (eg)and molecular geometry (mg)of XeF2.

Accepted Answer

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

Question 13

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeO3.

Accepted Answer

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

Question 14

Using the VSEPR model,the molecular geometry of the central atom in N2O is

Accepted Answer

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

Question 15

Use the molecular orbital diagram shown to determine which of the following is paramagnetic.

Accepted Answer

A)  O22⁻ 
B)  Ne22⁺ 
C)  O22⁺ 
D)  F22⁺ 
E)  None of the above is paramagnetic. 
A)  O22⁻ 
B)  Ne22⁺ 
C)  O22⁺ 
D)  F22⁺ 
E)  None of the above is paramagnetic.

Question 16

Give the hybridization for the C in HCN.

Accepted Answer

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

Question 17

How many of the following molecules contain at least one pi bond? C2H6 Cl2CO C2Cl4 CS2

Accepted Answer

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

Question 18

How many of the following molecules have sp3 hybridization on the central atom? XeCl4 CCl4 SF4 C2Cl2

Accepted Answer

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

Question 19

Give the hybridization for the S in SO3.

Accepted Answer

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

Question 20

Give the molecular geometry and number of electron groups for BrF3.

Accepted Answer

A)  square planar, 6 electron groups 
B)  square pyramidal, 6 electron groups 
C)  T-shaped, 5 electron groups 
D)  octahedral, 6 electron groups 
E)  seesaw, 5 electron groups 
A)  square planar, 6 electron groups 
B)  square pyramidal, 6 electron groups 
C)  T-shaped, 5 electron groups 
D)  octahedral, 6 electron groups 
E)  seesaw, 5 electron groups

Exam 10: Chemical Bonding Ii: Molecular Shapes,valence Bond Theory,

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

How many of the following molecules are polar? XeO2 SiCl2F2 C2Br2 SeBr6

Determine the electron geometry (eg)and molecular geometry (mg)of KrF4.

Determine the electron geometry (eg)and molecular geometry (mg)of SiBr4.

Give the electron geometry (eg),molecular geometry (mg),and hybridization for XeF4.

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeF4.

Consider the molecule below.Determine the hybridization at each of the 3 labeled atoms.

The orbital hybridization on the carbon atoms in HCN is

Using the VSEPR model,the electron-domain geometry of the central atom in ICl4- is

List the number of sigma bonds and pi bonds in a double bond.

Give the hybridization for the Br in BrCl3.

Determine the electron geometry (eg)and molecular geometry (mg)of XeF2.

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeO3.

Using the VSEPR model,the molecular geometry of the central atom in N2O is

Use the molecular orbital diagram shown to determine which of the following is paramagnetic.

Give the hybridization for the C in HCN.

How many of the following molecules contain at least one pi bond? C2H6 Cl2CO C2Cl4 CS2

How many of the following molecules have sp3 hybridization on the central atom? XeCl4 CCl4 SF4 C2Cl2

Give the hybridization for the S in SO3.

Give the molecular geometry and number of electron groups for BrF3.

Matter, measurement, and Problem Solving

Atoms and Elements

Molecules,compounds,and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Liquids,solids,and Intermolecular Forces

Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

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

How many of the following molecules are polar? XeO₂ SiCl₂F₂ C₂Br₂ SeBr₆

Determine the electron geometry (eg)and molecular geometry (mg)of KrF₄.

Determine the electron geometry (eg)and molecular geometry (mg)of SiBr₄.

Give the electron geometry (eg),molecular geometry (mg),and hybridization for XeF₄.

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeF₄.

The orbital hybridization on the carbon atoms in HCNis

Using the VSEPR model,the electron-domain geometry of the central atom in ICl₄^- is

Give the hybridization for the Br in BrCl₃.

Determine the electron geometry (eg)and molecular geometry (mg)of XeF₂.

Determine the electron geometry (eg),molecular geometry (mg),and polarity of XeO₃.

Using the VSEPR model,the molecular geometry of the central atom in N₂O is

How many of the following molecules contain at least one pi bond? C₂H₆ Cl₂CO C₂Cl₄ CS₂

How many of the following molecules have sp³ hybridization on the central atom? XeCl₄ CCl₄ SF₄ C₂Cl₂

Give the hybridization for the S in SO₃.

Give the molecular geometry and number of electron groups for BrF₃.