Question 1

The hybrid orbital set used by the central atom in KrF2 is ________.

Accepted Answer

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

Question 2

Which of the following does not affect the shape of a molecule as per VSEPR model?

Accepted Answer

A) electron groups on terminal atoms 
B) electron groups on the central atom 
C) number of lone pairs on the central atom 
D) any one of the above 
A) electron groups on terminal atoms 
B) electron groups on the central atom 
C) number of lone pairs on the central atom 
D) any one of the above

Question 3

Which of the following best describes ClF2-? It has a molecular geometry that is

Accepted Answer

A) linear with no lone pairs on the Cl atom. 
B) linear with lone pairs on the Cl atom. 
C) nonlinear with no lone pairs on the Cl atom. 
D) nonlinear with lone pairs on the Cl atom. 
A) linear with no lone pairs on the Cl atom. 
B) linear with lone pairs on the Cl atom. 
C) nonlinear with no lone pairs on the Cl atom. 
D) nonlinear with lone pairs on the Cl atom.

Question 4

Using the VSEPR model,the electron-domain geometry of the central atom in SF2 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 5

Match the following.
-BCl3

Accepted Answer

A) polar 
B) s2p hybridized central atom 
C) see-saw molecular geometry 
D) sp hybridized central atom 
E) nonpolar,but contains a polar covalent bond
F)octahedral electron geometry
G)polar,but contains no polar bonds. 
A) polar 
B) s2p hybridized central atom 
C) see-saw molecular geometry 
D) sp hybridized central atom 
E) nonpolar,but contains a polar covalent bond
F)octahedral electron geometry
G)polar,but contains no polar bonds.

Question 6

How many of the following molecules have sp3d2 hybridization on the central atom?
SeCl6 XeF4 IF5 AsCl5

Accepted Answer

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

Question 7

Identify the molecular geometry in the carbons of the structure below.
CH2CHCCCH3

Accepted Answer

The first two carbons are trig

Question 8

Choose the compound below that contains at least one polar covalent bond,but is nonpolar.

Accepted Answer

A) HCN 
B) CF4 
C) SeBr4 
D) ICl3 
E) Both B and C are nonpolar and contain a polar covalent bond. 
A) HCN 
B) CF4 
C) SeBr4 
D) ICl3 
E) Both B and C are nonpolar and contain a polar covalent bond.

Question 9

Using the VSEPR model,the electron-domain geometry of the central atom in SF4 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

The hybrid orbital set used by the central atom in KrF₂ is ________.

Which of the following does not affect the shape of a molecule as per VSEPR model?

Which of the following best describes ClF₂^-? It has a molecular geometry that is

Using the VSEPR model,the electron-domain geometry of the central atom in SF₂ is ________.

Match the following. -BCl₃

How many of the following molecules have sp³d² hybridization on the central atom? SeCl₆ XeF₄ IF₅ AsCl₅

Identify the molecular geometry in the carbons of the structure below. CH₂CHCCCH₃

Choose the compound below that contains at least one polar covalent bond,but is nonpolar.

Using the VSEPR model,the electron-domain geometry of the central atom in SF₄ is ________.

Matter, Measurement, and Problem Solving

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Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

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Exam 10: Chemical Bonding II: Molecular Shapes, Valence Bond Theory, and

The hybrid orbital set used by the central atom in KrF2 is ________.

Which of the following does not affect the shape of a molecule as per VSEPR model?

Which of the following best describes ClF2-? It has a molecular geometry that is

Using the VSEPR model,the electron-domain geometry of the central atom in SF2 is ________.

Match the following. -BCl3

How many of the following molecules have sp3d2 hybridization on the central atom? SeCl6 XeF4 IF5 AsCl5

Identify the molecular geometry in the carbons of the structure below. CH2CHCCCH3

Choose the compound below that contains at least one polar covalent bond,but is nonpolar.

Using the VSEPR model,the electron-domain geometry of the central atom in SF4 is ________.

Matter, Measurement, and Problem Solving

Atoms and Elements

Molecules, Compounds and Chemical Equations

Chemical Quantities and Aqueous Reactions

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Filters

The hybrid orbital set used by the central atom in KrF₂ is ________.

Which of the following best describes ClF₂^-? It has a molecular geometry that is

Using the VSEPR model,the electron-domain geometry of the central atom in SF₂ is ________.

Match the following. -BCl₃

How many of the following molecules have sp³d² hybridization on the central atom? SeCl₆ XeF₄ IF₅ AsCl₅

Identify the molecular geometry in the carbons of the structure below. CH₂CHCCCH₃

Using the VSEPR model,the electron-domain geometry of the central atom in SF₄ is ________.