Question 1

Predict the bond angle indicated in SF4.

Accepted Answer

A) 120F1F1F1S1F1F1F10 
B) 90F1F1F1S1F1F1F10 
C) greater than 120F1F1F1S1F1F1F10 
D) less than 120F1F1F1S1F1F1F10 
E) 109.5F1F1F1S1F1F1F10 
A) 120F1F1F1S1F1F1F10 
B) 90F1F1F1S1F1F1F10 
C) greater than 120F1F1F1S1F1F1F10 
D) less than 120F1F1F1S1F1F1F10 
E) 109.5F1F1F1S1F1F1F10

Question 2

Draw a structure showing the geometry of the molecule in the following group that is nonpolar:
HF; NH3; BF3; CHCl3; CO.

Accepted Answer

Question 3

Which type of molecular orbital is used to describe electron density building up above and below the internuclear axis to form a bond?

Accepted Answer

A) (F1F1F1S1F1F1F10) 
B) (F1F1F1S1F1F1F10) 
C) (F1F1F1S1F1F1F10*) 
D) (F1F1F1S1F1F1F10*) 
E) s 
A) (F1F1F1S1F1F1F10) 
B) (F1F1F1S1F1F1F10) 
C) (F1F1F1S1F1F1F10*) 
D) (F1F1F1S1F1F1F10*) 
E) s

Question 4

Which bond is the most polar?

Accepted Answer

A) H-C 
B) H-N 
C) H-O 
D) H-Cl 
E) H-F 
A) H-C 
B) H-N 
C) H-O 
D) H-Cl 
E) H-F

Question 5

Identify the electron pair and molecular geometries of a molecule containing four single bonds and one lone pair on the central atom M. Draw the molecule and note spatial positioning of bonds.

Accepted Answer

Electron pair geomet

Question 6

Describe the valence bond picture of bonding in ethylene, which is shown below. Identify the number of valence electrons, the number of F1F1F1S1F1F1F10 bonds, the number of F1F1F1S1F1F1F10 bonds, and the hybridization of the carbon atomic orbitals.

Accepted Answer

Ethylene has 12 valence electr

Question 7

Which of the following compounds has the same geometry as SO2?

Accepted Answer

A) H2O 
B) HCN 
C) ICl3 
D) OCS 
E) CO2 
A) H2O 
B) HCN 
C) ICl3 
D) OCS 
E) CO2

Question 8

Identify the hybridization of the three carbon atoms labeled in the following molecule.   I II III I II III

Accepted Answer

A) sp3, sp3, sp2 
B) sp3, sp3, sp3 
C) sp3, sp2, sp3 
D) sp2, sp2, sp3 
E) sp3, sp2, sp2 
A) sp3, sp3, sp2 
B) sp3, sp3, sp3 
C) sp3, sp2, sp3 
D) sp2, sp2, sp3 
E) sp3, sp2, sp2

Predict the bond angle indicated in SF₄.

Draw a structure showing the geometry of the molecule in the following group that is nonpolar: HF; NH₃; BF₃; CHCl₃; CO.

Which type of molecular orbital is used to describe electron density building up above and below the internuclear axis to form a bond?

Which bond is the most polar?

Identify the electron pair and molecular geometries of a molecule containing four single bonds and one lone pair on the central atom M. Draw the molecule and note spatial positioning of bonds.

Describe the valence bond picture of bonding in ethylene, which is shown below. Identify the number of valence electrons, the number of  bonds, the number of  bonds, and the hybridization of the carbon atomic orbitals.

Which of the following compounds has the same geometry as SO₂?

Identify the hybridization of the three carbon atoms labeled in the following molecule. I II III I II III

Matter and Energy: The Origin of the Universe

Atoms, Ions, and Molecules: Matter Starts Here

Stoichiometry: Mass, Formulas, and Reactions

Solution Chemistry: The Hydrosphere

Thermochemistry: Energy Changes in Reactions

Properties of Gases: The Air We Breathe

A Quantum Model of Atoms: Waves and Particles

Chemical Bonds: What Makes a Gas a Greenhouse Gas

Intermolecular Forces: The Uniqueness of Water

Solutions: Properties and Behavior

Solids: Crystals, Alloys, and Polymers

Chemical Kinetics: Reactions in the Atmosphere

Chemical Equilibrium: How Much Product Does a Reaction Really Make

Acidbase Equilibria: Proton Transfer in Biological Systems

Additional Aqueous Equilibria: Chemistry and the Oceans

Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Electrochemistry: The Quest for Clean Energy

Nuclear Chemistry: Applications to Energy and Medicine

Organic and Biological Molecules: the Compounds of Life

The Main Group Elements: Life and the Periodic Table

Transition Metals: Biological and Medical Applications

Filters

Exam 9: Molecular Geometry: Shape Determines Function

Predict the bond angle indicated in SF4.

Draw a structure showing the geometry of the molecule in the following group that is nonpolar: HF; NH3; BF3; CHCl3; CO.

Which type of molecular orbital is used to describe electron density building up above and below the internuclear axis to form a bond?

Which bond is the most polar?

Identify the electron pair and molecular geometries of a molecule containing four single bonds and one lone pair on the central atom M. Draw the molecule and note spatial positioning of bonds.

Describe the valence bond picture of bonding in ethylene, which is shown below. Identify the number of valence electrons, the number of  bonds, the number of  bonds, and the hybridization of the carbon atomic orbitals.

Which of the following compounds has the same geometry as SO2?

Identify the hybridization of the three carbon atoms labeled in the following molecule. I II III I II III

Matter and Energy: The Origin of the Universe

Atoms, Ions, and Molecules: Matter Starts Here

Stoichiometry: Mass, Formulas, and Reactions

Solution Chemistry: The Hydrosphere

Thermochemistry: Energy Changes in Reactions

Properties of Gases: The Air We Breathe

A Quantum Model of Atoms: Waves and Particles

Chemical Bonds: What Makes a Gas a Greenhouse Gas

Intermolecular Forces: The Uniqueness of Water

Solutions: Properties and Behavior

Solids: Crystals, Alloys, and Polymers

Chemical Kinetics: Reactions in the Atmosphere

Chemical Equilibrium: How Much Product Does a Reaction Really Make

Acidbase Equilibria: Proton Transfer in Biological Systems

Additional Aqueous Equilibria: Chemistry and the Oceans

Thermodynamics: Spontaneous and Nonspontaneous Reactions and Processes

Electrochemistry: The Quest for Clean Energy

Nuclear Chemistry: Applications to Energy and Medicine

Organic and Biological Molecules: the Compounds of Life

The Main Group Elements: Life and the Periodic Table

Transition Metals: Biological and Medical Applications

Filters

Predict the bond angle indicated in SF₄.

Draw a structure showing the geometry of the molecule in the following group that is nonpolar: HF; NH₃; BF₃; CHCl₃; CO.

Which of the following compounds has the same geometry as SO₂?