Question 1

Which one of the following molecules has tetrahedral geometry?

Accepted Answer

A) XeF4 
B) BF3 
C) AsF5 
D) CF4 
E) NH3 
A) XeF4 
B) BF3 
C) AsF5 
D) CF4 
E) NH3

Question 2

A molecule with 4 single bonds and 1 lone pair of electrons is predicted to have which type of molecular geometry?

Accepted Answer

A) Octahedral 
B) T-shaped 
C) Seesaw 
D) Trigonal bipyramidal 
E) Linear 
A) Octahedral 
B) T-shaped 
C) Seesaw 
D) Trigonal bipyramidal 
E) Linear

Question 3

A central atom with 4 electron pairs (single bonds and/or lone pairs of electrons)could have which of the following molecular geometries? I.Trigonal bipyramidal
II.Tetrahedral
III.Trigonal pyramidal
IV.Bent

Accepted Answer

A) I and II 
B) II and III 
C) II, III, and IV 
D) I and IV 
E) I, II, and IV 
A) I and II 
B) II and III 
C) II, III, and IV 
D) I and IV 
E) I, II, and IV

Question 4

A sp hybridized terminal oxygen atom (bonded to one other atom only)with 1 lone pair of electrons has what type of bonding?

Accepted Answer

A) 1 $\pi$ and 2 $\sigma$ bonds 
B) 2 $\pi$ and 1 $\sigma$ bonds 
C) 2 $\pi$ and 2 $\sigma$ bonds 
D) 0 $\pi$ and 2 $\sigma$ bonds 
E) 0 $\pi$ and 3 $\sigma$ bonds 
A) 1 $\pi$ and 2 $\sigma$ bonds 
B) 2 $\pi$ and 1 $\sigma$ bonds 
C) 2 $\pi$ and 2 $\sigma$ bonds 
D) 0 $\pi$ and 2 $\sigma$ bonds 
E) 0 $\pi$ and 3 $\sigma$ bonds

Question 5

What is the bond order of Cl2-

Accepted Answer

A) 0 
B) 0.5 
C) 1 
D) 1.5 
E) 2 
A) 0 
B) 0.5 
C) 1 
D) 1.5 
E) 2

Question 6

According to Molecular Orbital Theory, two separate px orbitals interact about the x-axis to form what molecular orbitals?

Accepted Answer

A) ($\sigma$and $\sigma$*) 
B) ($\pi$ and $\pi$*) 
C) ($\sigma$, $\sigma$* and $\pi$) 
D) ($\pi$, $\pi$*, and $\sigma$) 
E) ($\sigma$, $\sigma$*, $\pi$, and $\pi$*) 
A) ($\sigma$and $\sigma$*) 
B) ($\pi$ and $\pi$*) 
C) ($\sigma$, $\sigma$* and $\pi$) 
D) ($\pi$, $\pi$*, and $\sigma$) 
E) ($\sigma$, $\sigma$*, $\pi$, and $\pi$*)

Question 7

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents.What is the hybridization state of carbon indicated by the arrow in the structure of DEET shown below?

Accepted Answer

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

Which one of the following molecules has tetrahedral geometry?

A molecule with 4 single bonds and 1 lone pair of electrons is predicted to have which type of molecular geometry?

A central atom with 4 electron pairs (single bonds and/or lone pairs of electrons)could have which of the following molecular geometries? I.Trigonal bipyramidal II.Tetrahedral III.Trigonal pyramidal IV.Bent

A sp hybridized terminal oxygen atom (bonded to one other atom only)with 1 lone pair of electrons has what type of bonding?

What is the bond order of Cl₂^-

According to Molecular Orbital Theory, two separate p_x orbitals interact about the x-axis to form what molecular orbitals?

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents.What is the hybridization state of carbon indicated by the arrow in the structure of DEET shown below?

Chemistry: the Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

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Exam 10: Chemical Bonding Ii: Molecular Geometry and Hybridization of Atomic Orbitals

Which one of the following molecules has tetrahedral geometry?

A molecule with 4 single bonds and 1 lone pair of electrons is predicted to have which type of molecular geometry?

A central atom with 4 electron pairs (single bonds and/or lone pairs of electrons)could have which of the following molecular geometries? I.Trigonal bipyramidal II.Tetrahedral III.Trigonal pyramidal IV.Bent

A sp hybridized terminal oxygen atom (bonded to one other atom only)with 1 lone pair of electrons has what type of bonding?

What is the bond order of Cl2-

According to Molecular Orbital Theory, two separate px orbitals interact about the x-axis to form what molecular orbitals?

N,N-diethyl-m-tolumide (DEET)is the active ingredient in many mosquito repellents.What is the hybridization state of carbon indicated by the arrow in the structure of DEET shown below?

Chemistry: the Study of Change

Atoms, Molecules, and Ions

Mass Relationships in Chemical Reactions

Reactions in Aqueous Solutions

Gases

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Periodic Relationships Among the Elements

Chemical Bonding I: Basic Concepts

Intermolecular Forces and Liquids and Solids

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Chemistry in the Atmosphere

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Transition Metal Chemistry and Coordination Compounds

Organic Chemistry

Synthetic and Natural Organic Polymers

Filters

What is the bond order of Cl₂^-

According to Molecular Orbital Theory, two separate p_x orbitals interact about the x-axis to form what molecular orbitals?