Question 1

Give the hybridization for the O in OF2.

Accepted Answer

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

Question 2

Give the hybridization for the Br in BrF5.

Accepted Answer

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

Question 3

Consider the molecule below.Determine the hybridization at each of the 2 labeled carbons.

Accepted Answer

A)  C1 = sp3, C2 = sp2 
B)  C1 = sp2, C2 = sp2 
C)  C1 = sp2, C2 = sp3d 
D)  C1 = sp3d , C2 = sp3d  
E)  C1 = sp2, C2 = sp3 
A)  C1 = sp3, C2 = sp2 
B)  C1 = sp2, C2 = sp2 
C)  C1 = sp2, C2 = sp3d 
D)  C1 = sp3d , C2 = sp3d  
E)  C1 = sp2, C2 = sp3

Question 4

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

Accepted Answer

A)  B22⁺ 
B)  B22⁻ 
C)  N22⁺ 
D)  C22⁻ 
E)  B2 
A)  B22⁺ 
B)  B22⁻ 
C)  N22⁺ 
D)  C22⁻ 
E)  B2

Question 5

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

Accepted Answer

A)  linear 
B)  trigonal pyramidal 
C)  square planar 
D)  octahedral 
E)  bent 
A)  linear 
B)  trigonal pyramidal 
C)  square planar 
D)  octahedral 
E)  bent

Question 6

A molecule containing a central atom with sp3d hybridization has a(n)________ electron geometry.

Accepted Answer

A)  seesaw 
B)  bent 
C)  octahedral 
D)  trigonal planar 
E)  trigonal bipyramidal 
A)  seesaw 
B)  bent 
C)  octahedral 
D)  trigonal planar 
E)  trigonal bipyramidal

Question 7

How many of the following molecules contain at least one pi bond?
C2H6 Br2SO C2Br4 HCN

Accepted Answer

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

Question 8

How many of the following molecules have sp2 hybridization on the central atom?
COH2 Si F4 B F3 C2Cl2

Accepted Answer

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

Question 9

Describe a pi bond.

Accepted Answer

A)  side by side overlap of p orbitals 
B)  end to end overlap of p orbitals 
C)  s orbital overlapping with the end of a d orbital 
D)  overlap of two d orbitals 
E)  p orbital overlapping with an f orbital 
A)  side by side overlap of p orbitals 
B)  end to end overlap of p orbitals 
C)  s orbital overlapping with the end of a d orbital 
D)  overlap of two d orbitals 
E)  p orbital overlapping with an f orbital

Question 10

According to molecular orbital theory,what is an antibonding orbital?

Accepted Answer

An antibonding orbital is formed when 2

Question 11

The hybrid orbital set used by the central atom in BrF3 is

Accepted Answer

A)  sp 
B)    
C)    
D)    d 
E)      
A)  sp 
B)    
C)    
D)    d 
E)

Question 12

Draw the Lewis structure for the molecule CH3CH2CCH.How many sigma and pi bonds does it contain?

Accepted Answer

A)  11 sigma, 0 pi 
B)  9 sigma, 1 pi 
C)  8 sigma, 3 pi 
D)  9 sigma, 2 pi 
E)  8 sigma, 1 pi 
A)  11 sigma, 0 pi 
B)  9 sigma, 1 pi 
C)  8 sigma, 3 pi 
D)  9 sigma, 2 pi 
E)  8 sigma, 1 pi

Question 13

How many of the following molecules have sp3d hybridization on the central atom?
Si Cl4 BrF5 As F5 BrF3

Accepted Answer

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

Question 14

Give the hybridization for the Br in BrO4⁻.

Accepted Answer

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

Question 15

Draw the molecular orbital diagram and determine the bond order for NO+.

Accepted Answer

A)  0.5 
B)  1 
C)  2 
D)  2.5 
E)  3 
A)  0.5 
B)  1 
C)  2 
D)  2.5 
E)  3

Question 16

Give the hybridization for the O in H3O+.

Accepted Answer

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

Question 17

Give the electron geometry (eg),molecular geometry (mg),and hybridization for IF4+.

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 = octahedral, 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 = octahedral, sp3d2 
E)  eg = trigonal bipyramidal, mg = seesaw, sp3d

Question 18

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

Accepted Answer

A)  C22⁺ 
B)  O22⁺ 
C)  B2 
D)  C22⁻ 
E)  B2⁺ 
A)  C22⁺ 
B)  O22⁺ 
C)  B2 
D)  C22⁻ 
E)  B2⁺

Question 19

How many of the following molecules have sp3 hybridization on the central atom?
XeCl4 C Br4 S F4 C2H2

Accepted Answer

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

Question 20

Draw the Lewis structure for the molecule NH2CH2CONHCH2COOH.How many sigma and pi bonds does it contain?

Accepted Answer

A)  7 sigma, 0 pi 
B)  14 sigma, 2 pi 
C)  6 sigma, 2 pi 
D)  14 sigma, 3 pi 
E)  8 sigma, 1 pi 
A)  7 sigma, 0 pi 
B)  14 sigma, 2 pi 
C)  6 sigma, 2 pi 
D)  14 sigma, 3 pi 
E)  8 sigma, 1 pi

Exam 7: Chemical Bonding Ii

Give the hybridization for the O in OF2.

Give the hybridization for the Br in BrF5.

Consider the molecule below.Determine the hybridization at each of the 2 labeled carbons.

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

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

A molecule containing a central atom with sp3d hybridization has a(n)________ electron geometry.

How many of the following molecules contain at least one pi bond? C2H6 Br2SO C2Br4 HCN

How many of the following molecules have sp2 hybridization on the central atom? COH2 Si F4 B F3 C2Cl2

Describe a pi bond.

According to molecular orbital theory,what is an antibonding orbital?

The hybrid orbital set used by the central atom in BrF3 is

Draw the Lewis structure for the molecule CH3CH2CCH.How many sigma and pi bonds does it contain?

How many of the following molecules have sp3d hybridization on the central atom? Si Cl4 BrF5 As F5 BrF3

Give the hybridization for the Br in BrO4⁻.

Draw the molecular orbital diagram and determine the bond order for NO+.

Give the hybridization for the O in H3O+.

Give the electron geometry (eg),molecular geometry (mg),and hybridization for IF4+.

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

How many of the following molecules have sp3 hybridization on the central atom? XeCl4 C Br4 S F4 C2H2

Draw the Lewis structure for the molecule NH2CH2CONHCH2COOH.How many sigma and pi bonds does it contain?

Essentials: Units, Measurements, and Problem Solving

Atoms

The Quantum Mechanical Model of the Atom

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline 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

Transition Metals and Coordination Compounds

Filters

Give the hybridization for the O in OF₂.

Give the hybridization for the Br in BrF₅.

A molecule containing a central atom with sp³d hybridization has a(n)________ electron geometry.

How many of the following molecules contain at least one pi bond? C₂H₆ Br₂SO C₂Br₄ HCN

How many of the following molecules have sp₂ hybridization on the central atom? COH₂ Si F₄ B F₃ C₂Cl₂

The hybrid orbital set used by the central atom in BrF₃ is

Draw the Lewis structure for the molecule CH₃CH₂CCH.How many sigma and pi bonds does it contain?

How many of the following molecules have sp³d hybridization on the central atom? Si Cl₄ BrF₅ As F₅ BrF₃

Give the hybridization for the Br in BrO₄⁻.

Draw the molecular orbital diagram and determine the bond order for NO⁺.

Give the hybridization for the O in H₃O⁺.

Give the electron geometry (eg),molecular geometry (mg),and hybridization for IF₄⁺.

How many of the following molecules have sp³ hybridization on the central atom? XeCl₄ C Br₄ S F₄ C₂H₂

Draw the Lewis structure for the molecule NH₂CH₂CONHCH₂COOH.How many sigma and pi bonds does it contain?