Question 1

Oxygen difluoride is a powerful oxidizing and fluorinating agent.Select its Lewis structure.

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  None of these choices is correct.F) A) and B)
G) A) and E)

Question 2

What is the molecular shape of ClO3F as predicted by the VSEPR theory? 3F as predicted by the VSEPR theory?   A) trigonal pyramidal B) square planar C) square pyramidal D) tetrahedral E) octahedral" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  trigonal pyramidal
B)  square planar
C)  square pyramidal
D)  tetrahedral
E)  octahedralF) A) and B)
G) B) and E)

Question 3

Predict the ideal bond angles in GeCl4 using the molecular shape given by the VSEPR theory.

Accepted Answer

A)  90°
B)  109°
C)  120°
D)  180°
E)  < 90°F) None of the above
G) C) and D)

Question 4

According to VSEPR theory,a molecule with the general formula AX5E will have a ______ molecular shape.

Accepted Answer

A)  tetrahedral
B)  trigonal bipyramidal
C)  square pyramidal
D)  octahedral
E)  see-sawF) B) and D)
G) None of the above

Question 5

In which one of the following structures does the central atom have a formal charge of +2?

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) C) and E)
G) A) and B)

Question 6

A molecule which contains polar bonds will always have a dipole moment.

Accepted Answer

A) True 
 B)False

Question 7

Boron never achieves an octet in any of its compounds.

Accepted Answer

A) True 
 B)False

Question 8

What is the molecular shape of SiF62- as predicted by the VSEPR theory? 62- as predicted by the VSEPR theory?   A) trigonal bipyramidal B) hexagonal C) tetrahedral D) see-saw E) octahedral" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  trigonal bipyramidal
B)  hexagonal
C)  tetrahedral
D)  see-saw
E)  octahedralF) B) and D)
G) C) and D)

Question 9

Predict the ideal bond angles around carbon in C2I2 using the molecular shape given by the VSEPR theory.

Accepted Answer

A)  90°
B)  109°
C)  120°
D)  180°
E)  None of these choices is correct.F) B) and D)
G) A) and E)

Question 10

Select the Lewis structure in which formal charges are minimized for the periodate anion,IO4-. 4-.   A) a B) b C) c D) d E) e" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and B)
G) A) and C)

Question 11

What is the molecular shape of N2O as predicted by the VSEPR theory? 2O as predicted by the VSEPR theory?   A) trigonal pyramidal B) trigonal planar C) angular D) bent E) linear" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  trigonal pyramidal
B)  trigonal planar
C)  angular
D)  bent
E)  linearF) B) and E)
G) A) and E)

Question 12

According to VSEPR theory,a molecule with the general formula AX2E3 will have a _____ molecular shape.

Accepted Answer

A)  bent
B)  linear
C)  trigonal planar
D)  T-shaped
E)  trigonal pyramidalF) B) and E)
G) A) and D)

Question 13

Select the best Lewis structure for ClCN.

Accepted Answer

A)  a
B)  b
C)  c
D)  d
E)  eF) A) and D)
G) A) and B)

Question 14

What is the molecular shape of NO2- as predicted by the VSEPR theory?

Accepted Answer

A)  linear
B)  trigonal planar
C)  bent
D)  tetrahedral
E)  resonantF) A) and D)
G) A) and E)

Question 15

Which one of the following molecules and ions will have a planar geometry?

Accepted Answer

A)  PCl3
B)  BF4-
C)  XeF4
D)  BrF5
E)  H3O+F) B) and E)
G) A) and C)

Question 16

Use VSEPR theory to predict the electron group arrangement around iodine,the central atom in the ion IF2-.

Accepted Answer

A)  octahedral
B)  trigonal bipyramidal
C)  tetrahedral
D)  trigonal planar
E)  bentF) A) and B)
G) A) and C)

Question 17

List the three important ways in which molecules can violate the octet rule,and in each case draw one Lewis structure of your choice as an example.

Accepted Answer

Electron-deficient molecules have fewer ...

Question 18

Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90° bond angle in it.(In each case except water,the central atom is the first one in the formula. )

Accepted Answer

A)  AlCl4-
B)  NH3
C)  PCl5
D)  CO2
E)  H2OF) A) and B)
G) None of the above

Question 19

According to VSEPR theory,a molecule with the general formula AX4E2 will have a _____ molecular shape.

Accepted Answer

A)  tetrahedral
B)  square pyramidal
C)  square planar
D)  octahedral
E)  see-sawF) C) and D)
G) B) and D)

Question 20

What is the molecular shape of NH2Cl as predicted by the VSEPR theory?

Accepted Answer

A)  trigonal pyramidal
B)  tetrahedral
C)  T-shaped
D)  see-saw
E)  trigonal planarF) B) and D)
G) C) and E)

Exam 10: The Shapes of Molecules

What is the molecular shape of ClO3F as predicted by the VSEPR theory?

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According to VSEPR theory,a molecule with the general formula AX4E2 will have a _____ molecular shape.

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Select the best Lewis structure for ClCN.

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Which one of the following molecules and ions will have a planar geometry?

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Predict the ideal bond angles around carbon in C2I2 using the molecular shape given by the VSEPR theory.

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What is the molecular shape of NO2- as predicted by the VSEPR theory?

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A molecule which contains polar bonds will always have a dipole moment.

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What is the molecular shape of SiF62- as predicted by the VSEPR theory?

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What is the molecular shape of NH2Cl as predicted by the VSEPR theory?

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In which one of the following structures does the central atom have a formal charge of +2?

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Use VSEPR theory to decide which one of the following molecules and ions will definitely have at least one 90° bond angle in it.(In each case except water,the central atom is the first one in the formula. )

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According to VSEPR theory,a molecule with the general formula AX2E3 will have a _____ molecular shape.

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What is the molecular shape of N2O as predicted by the VSEPR theory?

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Select the Lewis structure in which formal charges are minimized for the periodate anion,IO4-.

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Predict the ideal bond angles in GeCl4 using the molecular shape given by the VSEPR theory.

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Use VSEPR theory to predict the electron group arrangement around iodine,the central atom in the ion IF2-.

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List the three important ways in which molecules can violate the octet rule,and in each case draw one Lewis structure of your choice as an example.

Correct AnswerverifiedElectron-deficient molecules have fewer ...View AnswerShow Answer

Boron never achieves an octet in any of its compounds.

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According to VSEPR theory,a molecule with the general formula AX5E will have a ______ molecular shape.

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Oxygen difluoride is a powerful oxidizing and fluorinating agent.Select its Lewis structure.

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What is the molecular shape of ClO₃F as predicted by the VSEPR theory?

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According to VSEPR theory,a molecule with the general formula AX₄E₂ will have a _____ molecular shape.

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Predict the ideal bond angles around carbon in C₂I₂ using the molecular shape given by the VSEPR theory.

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What is the molecular shape of NO₂^- as predicted by the VSEPR theory?

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What is the molecular shape of SiF₆^2- as predicted by the VSEPR theory?

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What is the molecular shape of NH₂Cl as predicted by the VSEPR theory?

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According to VSEPR theory,a molecule with the general formula AX₂E₃ will have a _____ molecular shape.

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What is the molecular shape of N₂O as predicted by the VSEPR theory?

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Select the Lewis structure in which formal charges are minimized for the periodate anion,IO₄^-.

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Predict the ideal bond angles in GeCl₄ using the molecular shape given by the VSEPR theory.

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Use VSEPR theory to predict the electron group arrangement around iodine,the central atom in the ion IF₂^-.

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Electron-deficient molecules have fewer ...
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According to VSEPR theory,a molecule with the general formula AX₅E will have a ______ molecular shape.

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