Question 1

The F -Cl -F bond angles in ClF3 are expected to be approximately

Accepted Answer

A)  90° only.
B)  109.5° only.
C)  120° only.
D)  180° only.
E)  90° and 180°.F) B) and C)
G) A) and E)

Question 2

Give the number of lone pairs around the central atom and the molecular geometry of XeF2.

Accepted Answer

A)  0 lone pairs, linear
B)  1 lone pair, bent
C)  2 lone pairs, bent
D)  3 lone pairs, bent
E)  3 lone pairs, linearF) A) and E)
G) B) and C)

Question 3

Indicate the type of hybrid orbitals used by the central atom in BrF3.

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and B)
G) C) and E)

Question 4

The BrF5 molecule has polar bonds and has a net dipole moment.

Accepted Answer

A) True 
 B)False

Question 5

According to the VSEPR theory, will the molecule PF5 be polar or nonpolar?

Accepted Answer

Question 6

The geometry of the SF4 molecule is

Accepted Answer

A)  tetrahedral.
B)  trigonal pyramidal.
C)  trigonal planar.
D)  square planar.
E)  distorted tetrahedron (seesaw) .F) B) and D)
G) A) and B)

Question 7

What is the hybridization of the iodine atom in the IF5 molecule?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and E)
G) A) and D)

Question 8

Indicate the number of $\pi$-bonds in C2H6.

Accepted Answer

The answer of Indicate the number of $\pi$-bonds in C2H6....

Question 9

According to the VSEPR theory, the geometrical structure of PF5 is

Accepted Answer

trigonal b...

Question 10

According to the VSEPR theory, the molecular geometry of the carbonate ion, CO32 -, is

Accepted Answer

A)  square planar.
B)  tetrahedral.
C)  pyramidal.
D)  trigonal planar.
E)  octahedral.F) C) and E)
G) None of the above

Question 11

Give the number of lone pairs around the central atom and the molecular geometry of XeF4.

Accepted Answer

A)  0 lone pairs, tetrahedral
B)  1 lone pair, distorted tetrahedron (seesaw) 
C)  1 lone pair, square pyramidal
D)  1 lone pair, tetrahedral
E)  2 lone pairs, square planarF) B) and E)
G) C) and E)

Question 12

Complete the following table.

Accepted Answer

The answer of Complete the following table. ...

Question 13

Which of the following species have the same geometries?

Accepted Answer

A)  NH2- and H2O
B)  NH2- and BeH2
C)  H2O and BeH2
D)  NH2-, H2O, and BeH2E) A) and B)
F) A) and C)

Question 14

In which of the following would the bonding be strengthened with the addition of an electron to form the negative molecular ion?

Accepted Answer

A)  C2
B)  O2
C)  N2
D)  all of these
E)  none of theseF) B) and C)
G) A) and B)

Question 15

Use VSEPR theory to predict the molecular geometry of H3O+ (hydronium ion).

Accepted Answer

Question 16

According to the VSEPR theory, which one of the following species should be linear?

Accepted Answer

A)  H2S
B)  HCN
C)  BF3
D)  H2CO
E)  SO2F) A) and B)
G) C) and D)

Question 17

Ozone (O3)is an allotropic form of oxygen. Use VSEPR theory to predict the shape of the ozone molecule.

Accepted Answer

Question 18

According to the VSEPR theory, the molecular geometry of beryllium chloride is

Accepted Answer

A)  linear.
B)  trigonal planar.
C)  bent.
D)  tetrahedral.
E)  trigonal pyramidal.F) A) and B)
G) C) and D)

Question 19

What is the hybridization of the central atom in ClO3- ?

Accepted Answer

A)  sp
B)  sp2
C)  sp3
D)  sp3d
E)  sp3d2F) A) and D)
G) B) and D)

Question 20

Which one of the following molecules has a zero dipole moment?

Accepted Answer

A)  CO
B)  CH2Cl2
C)  SO3
D)  SO2
E)  NH3F) B) and E)
G) A) and D)

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

Use VSEPR theory to predict the molecular geometry of H3O+ (hydronium ion).

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The F -Cl -F bond angles in ClF3 are expected to be approximately

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According to the VSEPR theory, which one of the following species should be linear?

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What is the hybridization of the central atom in ClO3- ?

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Complete the following table.

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Indicate the number of π\piπ -bonds in C2H6.

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According to the VSEPR theory, the geometrical structure of PF5 is

Correct Answerverifiedtrigonal b...View AnswerShow Answer

The BrF5 molecule has polar bonds and has a net dipole moment.

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The geometry of the SF4 molecule is

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According to the VSEPR theory, the molecular geometry of the carbonate ion, CO32 -, is

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Which of the following species have the same geometries?

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According to the VSEPR theory, will the molecule PF5 be polar or nonpolar?

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According to the VSEPR theory, the molecular geometry of beryllium chloride is

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Give the number of lone pairs around the central atom and the molecular geometry of XeF2.

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Indicate the type of hybrid orbitals used by the central atom in BrF3.

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Give the number of lone pairs around the central atom and the molecular geometry of XeF4.

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Which one of the following molecules has a zero dipole moment?

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In which of the following would the bonding be strengthened with the addition of an electron to form the negative molecular ion?

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What is the hybridization of the iodine atom in the IF5 molecule?

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Ozone (O3)is an allotropic form of oxygen. Use VSEPR theory to predict the shape of the ozone molecule.

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Use VSEPR theory to predict the molecular geometry of H₃O⁺ (hydronium ion).

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The F -Cl -F bond angles in ClF₃ are expected to be approximately

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What is the hybridization of the central atom in ClO₃^- ?

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Indicate the number of $\pi$ -bonds in C₂H₆.

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According to the VSEPR theory, the geometrical structure of PF₅ is

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trigonal b...
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The BrF₅ molecule has polar bonds and has a net dipole moment.

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The geometry of the SF₄ molecule is

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According to the VSEPR theory, the molecular geometry of the carbonate ion, CO₃^{2 -}, is

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According to the VSEPR theory, will the molecule PF₅ be polar or nonpolar?

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Give the number of lone pairs around the central atom and the molecular geometry of XeF₂.

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Indicate the type of hybrid orbitals used by the central atom in BrF₃.

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Give the number of lone pairs around the central atom and the molecular geometry of XeF₄.

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What is the hybridization of the iodine atom in the IF₅ molecule?

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Ozone (O₃)is an allotropic form of oxygen. Use VSEPR theory to predict the shape of the ozone molecule.

Correct Answer
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