Question 1

Electron domains for single bonds exert greater force on adjacent domains than the electron domains for multiple bonds.

Accepted Answer

A) True 
 B)False

Question 2

The hybridization of the carbon atom in carbon dioxide is ________.

Accepted Answer

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

Question 3

The hybridization of the carbon atom labeled x in the molecule below is ________.

Accepted Answer

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

Question 4

The bond order of any molecule containing equal numbers of bonding and antibonding electrons is ________.

Accepted Answer

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

Question 5

There are ________ σ and ________ π bonds in the H2C=C=CH2 molecule.

Accepted Answer

A) 4, 2 
B) 6, 4 
C) 2, 2 
D) 2, 6 
E) 6, 2 
A) 4, 2 
B) 6, 4 
C) 2, 2 
D) 2, 6 
E) 6, 2

Question 6

The molecular geometry of ________ is square planar.

Accepted Answer

A) CCl4 
B) XeF4 
C) PH3 
D) XeF2 
E) ICl3 
A) CCl4 
B) XeF4 
C) PH3 
D) XeF2 
E) ICl3

Question 7

The bond angles marked a,b,and c in the molecule below are about ________,________,and ________,respectively.

Accepted Answer

A) 90°, 90°, 90° 
B) 120°, 120°, 90° 
C) 120°, 120°, 109.5° 
D) 109.5°, 120°, 109.5° 
E) 109.5°, 90°, 120° 
A) 90°, 90°, 90° 
B) 120°, 120°, 90° 
C) 120°, 120°, 109.5° 
D) 109.5°, 120°, 109.5° 
E) 109.5°, 90°, 120°

Question 8

According to MO theory,overlap of two p atomic orbitals produces ________.

Accepted Answer

A) two bonding molecular orbitals 
B) one bonding molecular orbital and one antibonding molecular orbital 
C) two bonding molecular orbitals and two antibonding molecular orbitals 
D) two bonding molecular orbitals and one antibonding molecular orbital 
E) three bonding molecular orbitals and three antibonding molecular orbitals 
A) two bonding molecular orbitals 
B) one bonding molecular orbital and one antibonding molecular orbital 
C) two bonding molecular orbitals and two antibonding molecular orbitals 
D) two bonding molecular orbitals and one antibonding molecular orbital 
E) three bonding molecular orbitals and three antibonding molecular orbitals

Question 9

Based on molecular orbital theory,the only molecule in the list below that has unpaired electrons is ________.

Accepted Answer

A) C2 
B) N2 
C) F2 
D) O2 
E) Li2 
A) C2 
B) N2 
C) F2 
D) O2 
E) Li2

Question 10

The F-B-F bond angle in the BF3 molecule is ________.

Accepted Answer

A) 90° 
B) 109.5° 
C) 120° 
D) 180° 
E) 60° 
A) 90° 
B) 109.5° 
C) 120° 
D) 180° 
E) 60°

Question 11

The hybrid orbitals used for bonding by the sulfur atom in the SF4 molecule are ________ orbitals.

Accepted Answer

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

Question 12

The electron-domain geometry and molecular geometry of iodine trichloride are ________ and ________,respectively.

Accepted Answer

A) trigonal bipyramidal, trigonal planar 
B) tetrahedral, trigonal pyramidal 
C) trigonal bipyramidal, T-shaped 
D) octahedral, trigonal planar 
E) T-shaped, trigonal planar 
A) trigonal bipyramidal, trigonal planar 
B) tetrahedral, trigonal pyramidal 
C) trigonal bipyramidal, T-shaped 
D) octahedral, trigonal planar 
E) T-shaped, trigonal planar

Question 13

The hybridization scheme for BeF2 is ________.

Accepted Answer

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

Question 14

An electron domain consists of ________. 
a.a nonbonding pair of electrons
b.a single bond
c.a multiple bond

Accepted Answer

A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c 
A) a only 
B) b only 
C) c only 
D) a, b, and c 
E) b and c

Question 15

Using the VSEPR model,the electron-domain geometry of the central atom in ClF3 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 16

A covalent bond in which overlap regions lie above and below an internuclear axis is called a(n)________.

Accepted Answer

The answer of A covalent bond in which overlap regions...

Question 17

Of the following,only ________ has sp2 hybridization of the central atom.

Accepted Answer

A) NF3 
B) HCN 
C) BF3 
D) ICl3 
E) CH4 
A) NF3 
B) HCN 
C) BF3 
D) ICl3 
E) CH4

Question 18

According to valence bond theory,which orbitals overlap in the formation of the bond in Cl2?

Accepted Answer

A) 4p on Cl and 4p on Cl 
B) 3p on Cl and 3p on Cl 
C) sp on Cl and sp on Cl 
D) 3s on Cl and 3s on Cl 
E) 2p on Cl and 2p on Cl 
A) 4p on Cl and 4p on Cl 
B) 3p on Cl and 3p on Cl 
C) sp on Cl and sp on Cl 
D) 3s on Cl and 3s on Cl 
E) 2p on Cl and 2p on Cl

Question 19

The hybridization of the central atom in the XeF4 molecule is ________.

Accepted Answer

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

Question 20

Using the VSEPR model,the molecular geometry of the central atom in ClO2- 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

Exam 9: Molecular Geometry and Bonding Theories

Electron domains for single bonds exert greater force on adjacent domains than the electron domains for multiple bonds.

The hybridization of the carbon atom in carbon dioxide is ________.

The hybridization of the carbon atom labeled x in the molecule below is ________.

The bond order of any molecule containing equal numbers of bonding and antibonding electrons is ________.

There are ________ σ and ________ π bonds in the H2C=C=CH2 molecule.

The molecular geometry of ________ is square planar.

The bond angles marked a,b,and c in the molecule below are about ________,________,and ________,respectively.

According to MO theory,overlap of two p atomic orbitals produces ________.

Based on molecular orbital theory,the only molecule in the list below that has unpaired electrons is ________.

The F-B-F bond angle in the BF3 molecule is ________.

The hybrid orbitals used for bonding by the sulfur atom in the SF4 molecule are ________ orbitals.

The electron-domain geometry and molecular geometry of iodine trichloride are ________ and ________,respectively.

The hybridization scheme for BeF2 is ________.

An electron domain consists of ________. a.a nonbonding pair of electrons b.a single bond c.a multiple bond

Using the VSEPR model,the electron-domain geometry of the central atom in ClF3 is ________.

A covalent bond in which overlap regions lie above and below an internuclear axis is called a(n)________.

Of the following,only ________ has sp2 hybridization of the central atom.

According to valence bond theory,which orbitals overlap in the formation of the bond in Cl2?

The hybridization of the central atom in the XeF4 molecule is ________.

Using the VSEPR model,the molecular geometry of the central atom in ClO2- is ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

There are σ and π bonds in the H₂C=C=CH₂ molecule.

The bond angles marked a,b,and c in the molecule below are about ,,and ,respectively.

The F-B-F bond angle in the BF₃ molecule is ________.

The hybrid orbitals used for bonding by the sulfur atom in the SF₄ molecule are ________ orbitals.

The electron-domain geometry and molecular geometry of iodine trichloride are and ,respectively.

The hybridization scheme for BeF₂ is ________.

Using the VSEPR model,the electron-domain geometry of the central atom in ClF₃ is ________.

Of the following,only ________ has sp² hybridization of the central atom.

According to valence bond theory,which orbitals overlap in the formation of the bond in Cl₂?

The hybridization of the central atom in the XeF₄ molecule is ________.

Using the VSEPR model,the molecular geometry of the central atom in ClO₂^- is ________.