Question 1

In the following Lewis structure for ClO3F, chlorine has a formal charge of ____ and an oxidation number of ____. 3F, chlorine has a formal charge of ____ and an oxidation number of ____.   A)  7, 7 B)  7, -1 C)  1, 1 D)  1, -1 E)  1, 7" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   7, 7
B)   7, -1
C)   1, 1
D)   1, -1
E)   1, 7

Question 2

Select the correct Lewis structure for NOCl, a reactive material used as an ionizing solvent.

Accepted Answer

A)   
B)   
C)   
D)   
E)   None of these choices is correct.

Question 3

According to VSEPR theory, a molecule with the general formula AX2E2 will have a _____ molecular shape.

Accepted Answer

A)   linear
B)   bent
C)   trigonal planar
D)   tetrahedral
E)   see-saw

Question 4

According to VSEPR theory, a molecule with the general formula AX2E will have a ______ molecular shape.

Accepted Answer

A)   bent
B)   see-saw
C)   trigonal planar
D)   T-shaped
E)   trigonal pyramidal

Question 5

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

Accepted Answer

A)   90  °\degree° 
B)   109  °\degree° 
C)   120  °\degree° 
D)   180  °\degree° 
E)   °\degree°

Question 6

What is the molecular shape of BCl3 as predicted by the VSEPR theory?

Accepted Answer

A)   linear
B)   trigonal planar
C)   bent
D)   tetrahedral
E)   trigonal pyramidal

Question 7

What is the molecular shape of BeH2 as predicted by the VSEPR theory?

Accepted Answer

A)   linear
B)   bent
C)   angular
D)   trigonal
E)   None of these choices is correct.

Question 8

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

Accepted Answer

A)   SF6 6   
B)   SO42¯   
C)   O3   
D)   BeCl2   
E)   AlCl4¯  " class="answers-bank-image d-inline" rel="preload" >
B)   SO42¯ 6   
B)   SO42¯   
C)   O3   
D)   BeCl2   
E)   AlCl4¯  " class="answers-bank-image d-inline" rel="preload" >
C)   O3 6   
B)   SO42¯   
C)   O3   
D)   BeCl2   
E)   AlCl4¯  " class="answers-bank-image d-inline" rel="preload" >
D)   BeCl2 6   
B)   SO42¯   
C)   O3   
D)   BeCl2   
E)   AlCl4¯  " class="answers-bank-image d-inline" rel="preload" >
E)   AlCl4¯ 6   
B)   SO42¯   
C)   O3   
D)   BeCl2   
E)   AlCl4¯  " class="answers-bank-image d-inline" rel="preload" >

Question 9

According to VSEPR theory, a molecule with the general formula AX3E will have a _____ molecular shape.

Accepted Answer

A)   bent
B)   trigonal planar
C)   trigonal pyramidal
D)   tetrahedral
E)   triangular

Question 10

For the chlorate ion, ClO3¯, draw two different valid Lewis structures, as follows:
A) a structure in which the octet rule is obeyed.
B) a structure in which formal charges are minimized.

Accepted Answer

Question 11

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 12

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

Accepted Answer

A)   90  °\degree° 
B)   109  °\degree° 
C)   120  °\degree° 
D)   180  °\degree° 
E)   None of these choices is correct.

Question 13

Select the best Lewis structure for ClCN.

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 14

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-saw

Question 15

Predict the ideal bond angles in IF2¯ using the molecular shape given by the VSEPR theory.

Accepted Answer

A)   60  °\degree° 
B)   90  °\degree° 
C)   109  °\degree° 
D)   120  °\degree° 
E)   180  °\degree°

Question 16

In which one of the following molecules are all the bonds single?

Accepted Answer

A)   O3
B)   POCl3
C)   CO
D)   COCl2
E)   N2H4

Question 17

What is the molecular shape of ClF2¯ as predicted by the VSEPR theory?

Accepted Answer

A)   linear
B)   bent
C)   see-saw
D)   T-shaped
E)   L-shaped

Question 18

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+

Question 19

The Lewis structure of formaldehyde, CH2O, is shown. Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle. Outline your reasoning.

Accepted Answer

There are three electron groups around t...

Question 20

Predict the ideal bond angles in AsCl3 using the molecular shape given by the VSEPR theory.

Accepted Answer

A)   90  °\degree° 
B)   109  °\degree° 
C)   120  °\degree° 
D)   180  °\degree° 
E)   between 110 and 120  °\degree°

Exam 10: The Shapes of Molecules

According to VSEPR theory, a molecule with the general formula AX2E will have a ______ molecular shape.

Correct AnswerverifiedShow Answer

For the chlorate ion, ClO3¯, draw two different valid Lewis structures, as follows: A) a structure in which the octet rule is obeyed. B) a structure in which formal charges are minimized.

Correct AnswerverifiedShow Answer

What is the molecular shape of ClF2¯ as predicted by the VSEPR theory?

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In the following Lewis structure for ClO3F, chlorine has a formal charge of ____ and an oxidation number of ____.

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

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The Lewis structure of formaldehyde, CH2O, is shown. Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle. Outline your reasoning.

Correct AnswerverifiedThere are three electron groups around t...View AnswerShow Answer

Predict the ideal bond angles in IF2¯ using the molecular shape given 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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According to VSEPR theory, a molecule with the general formula AX2E2 will have a _____ molecular shape.

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What is the molecular shape of BeH2 as predicted by the VSEPR theory?

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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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Select the best Lewis structure for ClCN.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Select the correct Lewis structure for NOCl, a reactive material used as an ionizing solvent.

Correct AnswerverifiedShow Answer

According to VSEPR theory, a molecule with the general formula AX3E will have a _____ molecular shape.

Correct AnswerverifiedShow Answer

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

Predict the ideal bond angles in AsCl3 using the molecular shape given by the VSEPR theory.

Correct AnswerverifiedShow Answer

What is the molecular shape of BCl3 as predicted by the VSEPR theory?

Correct AnswerverifiedShow Answer

In which one of the following molecules are all the bonds single?

Correct AnswerverifiedShow Answer

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

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According to VSEPR theory, a molecule with the general formula AX₂E will have a ______ molecular shape.

Correct Answer
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For the chlorate ion, ClO₃^¯, draw two different valid Lewis structures, as follows: A) a structure in which the octet rule is obeyed. B) a structure in which formal charges are minimized.

Correct Answer
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What is the molecular shape of ClF₂^¯ as predicted by the VSEPR theory?

Correct Answer
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In the following Lewis structure for ClO₃F, chlorine has a formal charge of and an oxidation number of .

Correct Answer
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Correct Answer
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The Lewis structure of formaldehyde, CH₂O, is shown. Use VSEPR theory to predict the molecular geometry and the H-C-H bond angle. Outline your reasoning.

Correct Answer
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There are three electron groups around t...
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Predict the ideal bond angles in IF₂^¯ using the molecular shape given by the VSEPR theory.

Correct Answer
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Correct Answer
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According to VSEPR theory, a molecule with the general formula AX₂E₂ will have a _____ molecular shape.

Correct Answer
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What is the molecular shape of BeH₂ as predicted by the VSEPR theory?

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

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

Correct Answer
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Correct Answer
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According to VSEPR theory, a molecule with the general formula AX₃E will have a _____ molecular shape.

Correct Answer
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Correct Answer
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Electron-deficient molecules have fewer ...
View Answer

Predict the ideal bond angles in AsCl₃ using the molecular shape given by the VSEPR theory.

Correct Answer
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What is the molecular shape of BCl₃ as predicted by the VSEPR theory?

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

Correct Answer
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