Question 1

Give the electron geometry (eg),molecular geometry (mg),and hybridization for POCl3.

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 A

Question 2

Draw the molecular orbital diagram shown to determine which of the following is MOST stable.

Accepted Answer

A)  F2 
B)  F22⁺ 
C)  Ne22⁺ 
D)  O22⁺ 
E)  F22⁻ 
A)  F2 
B)  F22⁺ 
C)  Ne22⁺ 
D)  O22⁺ 
E)  F22⁻ D

Question 3

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 C

Question 4

Identify the number of electron groups around a molecule with sp2 hybridization.

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  5 
A)  1 
B)  2 
C)  3 
D)  4 
E)  5

Question 5

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

Accepted Answer

A)  1 sigma, 0 pi 
B)  0 sigma, 1 pi 
C)  1 sigma, 1 pi 
D)  3 sigma, 2 pi 
A)  1 sigma, 0 pi 
B)  0 sigma, 1 pi 
C)  1 sigma, 1 pi 
D)  3 sigma, 2 pi

Question 6

Draw the molecular orbital diagram shown to determine which of the following is MOST stable.

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

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 9

Match between columns
                        Premises: sp
spS1U1P13S1S1P0d
spS1U1P12S1S1P0
spS1U1P13 S1S1P0
BeFS1U1B12S1U1B0

Accepted Answer

The Answer of trigonal planar and sp² hybridized central atom is...

Question 10

How many of the following molecules have sp hybridization on the central atom?
C2Br2 C S2 O3 H2O

Accepted Answer

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

Question 11

How many of the following molecules have sp2 hybridization on the central atom?
HCN SO2 OCl2 XeCl2

Accepted Answer

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

Question 12

Give the electron geometry (eg),molecular geometry (mg),and hybridization for H2O.

Accepted Answer

A)  eg = tetrahedral, mg = bent, sp3 
B)  eg = trigonal pyramidal, mg = trigonal pyramidal, sp3 
C)  eg = tetrahedral, mg = trigonal pyramidal, sp3 
D)  eg = bent, mg = bent, sp2 
E)  eg = trigonal planar, mg = trigonal planar, sp2 
A)  eg = tetrahedral, mg = bent, sp3 
B)  eg = trigonal pyramidal, mg = trigonal pyramidal, sp3 
C)  eg = tetrahedral, mg = trigonal pyramidal, sp3 
D)  eg = bent, mg = bent, sp2 
E)  eg = trigonal planar, mg = trigonal planar, sp2

Question 13

Give the hybridization for the C in C2F2.

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

Draw the Lewis structure for the molecule CH2CHCH3.How many sigma and pi bonds does it contain?

Accepted Answer

A)  8 sigma, 1 pi 
B)  9 sigma, 0 pi 
C)  9 sigma, 1 pi 
D)  7 sigma, 2 pi 
E)  8 sigma, 2 pi 
A)  8 sigma, 1 pi 
B)  9 sigma, 0 pi 
C)  9 sigma, 1 pi 
D)  7 sigma, 2 pi 
E)  8 sigma, 2 pi

Question 16

Determine the hybridization about each interior atom in the following structure.Sketch the three-dimensional structure and label the interior atoms with their corresponding hybridization.
CH2CHCCCH3

Accepted Answer

The sketch should show all of the approp

Question 17

Give the electron geometry,molecular geometry,and hybridization for both carbons in CH3COOH.

Accepted Answer

eg = tetrahedral; mg

Question 18

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

Question 19

A molecule containing a central atom with sp3 hybridization has a(n)________ electron geometry.

Accepted Answer

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

Question 20

Use molecular orbital theory to determine whether He22⁺ or He2⁺ is more stable.Draw the molecular orbital diagram for each and explain your answer.

Accepted Answer

The MO diagram should show He₂²⁺ with 2 el

Exam 7: Chemical Bonding Ii

Give the electron geometry (eg),molecular geometry (mg),and hybridization for POCl3.

Draw the molecular orbital diagram shown to determine which of the following is MOST stable.

Give the hybridization for the S in SO3.

Identify the number of electron groups around a molecule with sp2 hybridization.

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

Draw the molecular orbital diagram shown to determine which of the following is MOST stable.

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

Give the hybridization for the Br in BrCl3.

How many of the following molecules have sp hybridization on the central atom? C2Br2 C S2 O3 H2O

How many of the following molecules have sp2 hybridization on the central atom? HCN SO2 OCl2 XeCl2

Give the electron geometry (eg),molecular geometry (mg),and hybridization for H2O.

Give the hybridization for the C in C2F2.

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

Draw the Lewis structure for the molecule CH2CHCH3.How many sigma and pi bonds does it contain?

Determine the hybridization about each interior atom in the following structure.Sketch the three-dimensional structure and label the interior atoms with their corresponding hybridization. CH2CHCCCH3

Give the electron geometry,molecular geometry,and hybridization for both carbons in CH3COOH.

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

A molecule containing a central atom with sp3 hybridization has a(n)________ electron geometry.

Use molecular orbital theory to determine whether He22⁺ or He2⁺ is more stable.Draw the molecular orbital diagram for each and explain your answer.

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 electron geometry (eg),molecular geometry (mg),and hybridization for POCl₃.

Give the hybridization for the S in SO₃.

Identify the number of electron groups around a molecule with sp² hybridization.

Give the hybridization for the Br in BrCl₃.

How many of the following molecules have sp hybridization on the central atom? C₂Br₂ C S₂ O₃ H₂O

How many of the following molecules have sp² hybridization on the central atom? HCN SO₂ OCl₂ XeCl₂

Give the electron geometry (eg),molecular geometry (mg),and hybridization for H₂O.

Give the hybridization for the C in C₂F₂.

Draw the Lewis structure for the molecule CH₂CHCH₃.How many sigma and pi bonds does it contain?

Determine the hybridization about each interior atom in the following structure.Sketch the three-dimensional structure and label the interior atoms with their corresponding hybridization. CH₂CHCCCH₃

Give the electron geometry,molecular geometry,and hybridization for both carbons in CH₃COOH.

A molecule containing a central atom with sp³ hybridization has a(n)________ electron geometry.

Use molecular orbital theory to determine whether He₂²⁺ or He₂⁺ is more stable.Draw the molecular orbital diagram for each and explain your answer.