Question 1

What is the hybridization of the C atom in the following molecule?   B)  p  C)  sp D)  sp2 E)  sp3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   s 
B)   p 
C)   sp
D)   sp2
E)   sp3

Question 2

Identify the atomic orbital the lone pair electrons on the O atom are contained in: 2 B)  2sp3 C)  2sp D)  2s E)  2p" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2sp2
B)   2sp3
C)   2sp
D)   2s
E)   2p

Question 3

Identify the atomic orbitals in the C-O sigma bond in acetone. 2,2sp2)  B)  (2sp3,2sp3)  C)  (2sp,2sp)  D)  (2p,2p)  E)  (2sp,1s) " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   (2sp2,2sp2) 
B)   (2sp3,2sp3) 
C)   (2sp,2sp) 
D)   (2p,2p) 
E)   (2sp,1s)

Question 4

Define an orbital.

Accepted Answer

A region of space wh...

Question 5

What is the hybridization of the N atom in the following molecule? 2 E)  sp3" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   s
B)   p
C)   sp
D)   sp2
E)   sp3

Question 6

Which of the following structures is/are not a resonance form of the following species?

Accepted Answer

A)  
B)  
C)  
D)  
E)   None of the above are correct resonance forms.

Question 7

In which structure(s) below does nitrogen have a formal charge of +1?

Accepted Answer

A)   I
B)   II and IV
C)   III and V
D)   I and V
E)   V

Question 8

What is the geometry of the N in the following molecule?   B)  trigonal pyramidal  C)  linear D)  bent E)  trigonal planar" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 9

Listed below are electron dot formulas for several simple molecules and ions.All valence electrons are shown;however,electrical charges have been omitted deliberately.  Which of the structures is negatively charged?

Accepted Answer

A)   I
B)   II
C)   III
D)   IV
E)   V

Question 10

Identify the atomic orbital.The lone pair electrons on the C atom are contained in: 3  B)  2sp2  C)  2sp D)  2s E)  2p" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2sp3 
B)   2sp2 
C)   2sp
D)   2s
E)   2p

Question 11

What is the hybridization of the C indicated with the arrow? 3  B)  sp2  C)  sp D)  s E)  p" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   sp3 
B)   sp2 
C)   sp
D)   s
E)   p

Question 12

Which of these substances contain both covalent and ionic bonds?

Accepted Answer

A)   NH4Cl
B)   H2O2
C)   CH4
D)   HCN
E)   H2S

Question 13

In which of the following would you expect the central atom to be sp3 hybridized (or approximately sp3 hybridized) ?

Accepted Answer

A)   BH4-
B)   NH4+
C)   CCl4
D)   CH3:-
E)   All of these

Question 14

Identify the atomic orbitals in the C-N sigma bond in the following oxime: 2,2sp2)  B)  (2sp3,2sp3)  C)  (2sp,2sp)  D)  (2sp2,2sp3)  E)  (2sp,1s) " class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   (2sp2,2sp2) 
B)   (2sp3,2sp3) 
C)   (2sp,2sp) 
D)   (2sp2,2sp3) 
E)   (2sp,1s)

Question 15

Draw all the isomers of C4H10O,using bond-line formulas.

Accepted Answer

Question 16

Identify the atomic orbital.The lone pair electrons on the N atom are contained in: 2  B)  2sp3  C)  2p D)  2s E)  2sp" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   2sp2 
B)   2sp3 
C)   2p
D)   2s
E)   2sp

Question 17

Which of the following could not be a resonance structure of CH3NO2?

Accepted Answer

A)  3NO2? 
A)     
B)     
C)     
D)     
E)   Both C and D" class="answers-bank-image d-inline" rel="preload" >
B)  3NO2? 
A)     
B)     
C)     
D)     
E)   Both C and D" class="answers-bank-image d-inline" rel="preload" >
C)  3NO2? 
A)     
B)     
C)     
D)     
E)   Both C and D" class="answers-bank-image d-inline" rel="preload" >
D)  3NO2? 
A)     
B)     
C)     
D)     
E)   Both C and D" class="answers-bank-image d-inline" rel="preload" >
E)   Both C and D

Question 18

Which is the shortest of the carbon-carbon single bonds indicated by arrows in the following compounds?

Accepted Answer

A)  
B)  
C)  
D)  
E)

Question 19

What is the geometry of the N in the following molecule?   B)  trigonal pyramidal  C)  linear D)  bent E)  trigonal planar" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

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

Question 20

Considering Lewis structures,which of these compounds possesses a single unpaired electron?

Accepted Answer

A)   N2
B)   N2O
C)   NO
D)   N2O4
E)   O2

Exam 1: Carbon Compounds and Chemical Bonds

What is the hybridization of the C atom in the following molecule?

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Identify the atomic orbital.The lone pair electrons on the C atom are contained in:

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What is the geometry of the N in the following molecule?

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What is the hybridization of the N atom in the following molecule?

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Identify the atomic orbitals in the C-O sigma bond in acetone.

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Listed below are electron dot formulas for several simple molecules and ions.All valence electrons are shown;however,electrical charges have been omitted deliberately. Which of the structures is negatively charged?

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Draw all the isomers of C4H10O,using bond-line formulas.

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In which structure(s) below does nitrogen have a formal charge of +1?

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Which of the following structures is/are not a resonance form of the following species?

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What is the geometry of the N in the following molecule?

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Considering Lewis structures,which of these compounds possesses a single unpaired electron?

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Which is the shortest of the carbon-carbon single bonds indicated by arrows in the following compounds?

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Which of the following could not be a resonance structure of CH3NO2?

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Define an orbital.

Correct AnswerverifiedA region of space wh...View AnswerShow Answer

Identify the atomic orbital the lone pair electrons on the O atom are contained in:

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Identify the atomic orbital.The lone pair electrons on the N atom are contained in:

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In which of the following would you expect the central atom to be sp3 hybridized (or approximately sp3 hybridized) ?

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What is the hybridization of the C indicated with the arrow?

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Identify the atomic orbitals in the C-N sigma bond in the following oxime:

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Which of these substances contain both covalent and ionic bonds?

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Draw all the isomers of C₄H₁₀O,using bond-line formulas.

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Which of the following could not be a resonance structure of CH₃NO₂?

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A region of space wh...
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In which of the following would you expect the central atom to be sp³ hybridized (or approximately sp³ hybridized) ?

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