Question 1

Covalent bonds may be polar or nonpolar. What property of the atoms forming a given bond determines this?

Accepted Answer

The answer of Covalent bonds may be polar or nonpolar....

Question 2

Provide the line-angle formula (skeletal structure) for (CH3CH2)2C=O.

Accepted Answer

Question 3

Draw the structure of the conjugate acid of acetone

Accepted Answer

The answer of Draw the structure of the conjugate acid...

Question 4

Which of the following structures (a-d)  is another resonance structure of the following organic molecule?

Accepted Answer

A)   
B)   
C)   
D)  E) All of the above
F) C) and D)

Question 5

Which of the following condensed formulas represents the same compound as the line-angle structure shown? 3CH2CH2OCH2CH2CH2N(CH2CH2CH3) 2 B)  CH3CH2CH2OCH2N(CH2CH3) 2 C)  CH3CH2OCH2N(CH2CH3) 2 D)  CH3CH2OCH2N(CH2CH2CH3) 2 E)  CH3ON(CH3) 2" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   CH3CH2CH2OCH2CH2CH2N(CH2CH2CH3) 2
B)   CH3CH2CH2OCH2N(CH2CH3) 2
C)   CH3CH2OCH2N(CH2CH3) 2
D)   CH3CH2OCH2N(CH2CH2CH3) 2
E)   CH3ON(CH3) 2F) All of the above
G) A) and B)

Question 6

What is the molecular formula for the molecule shown?

Accepted Answer

The answer of What is the molecular formula for the...

Question 7

Draw the Lewis structure for 2-propanol, CH3CH(OH)CH3, including all non-bonding lone pairs.

Accepted Answer

Question 8

When filling two or more orbitals of the same energy with electrons, the electrons will go into different orbitals rather than pair up in the same orbital.

Accepted Answer

A) True 
 B)False

Question 9

Calculate the molecular formula for the organic compound whose quantitative elemental analysis showed 48.6% caron and 8.1% hydrogen by weight.

Accepted Answer

A)   CH2O
B)   C2H4O2
C)   C2H6
D)   C3H6O
E)   C3H6O2F) B) and E)
G) A) and C)

Question 10

The compound phenol is shown below. Provide the structure of the conjugate base of phenol.

Accepted Answer

The answer of The compound phenol is shown below. Provide...

Question 11

Which of the following are acceptable Lewis structures, including formal charges, for nitric acid, HNO3? 3?   A)  A only B)  B only C)  C only D)  both B and C E)  A, B, and C" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   A only
B)   B only
C)   C only
D)   both B and C
E)   A, B, and CF) C) and D)
G) All of the above

Question 12

The pH of a 150 mL aqueous solution of 2.13 x 10-3 M HCl is ________.

Accepted Answer

A)   -3.000
B)   3.000
C)   2.672
D)   2.130
E)   none of the aboveF) None of the above
G) B) and E)

Question 13

Stabilization of a charged species usually results when this species can be more accurately depicted as a hybrid of several resonance forms. Why is this the case?

Accepted Answer

Stabilization result...

Question 14

Add the appropriate formal charge to each atom in the molecule below. It is not necessary to indicate formal charges when zero. (All non-bonding electrons are included.)

Accepted Answer

The answer of Add the appropriate formal charge to each...

Question 15

Indicate the line-angle structure that corresponds to the condensed structure, HOCH2C(O) CH(CH3) 2.

Accepted Answer

A)   2C(O) CH(CH3) 2. 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
B)   2C(O) CH(CH3) 2. 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
C)   2C(O) CH(CH3) 2. 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >
D)   2C(O) CH(CH3) 2. 
A)     
B)     
C)     
D)    " class="answers-bank-image d-inline" rel="preload" >E) A) and C)
F) C) and D)

Question 16

Draw the Lewis structure for boric acid, B(OH)3, including all non-bonding lone pairs.

Accepted Answer

Question 17

Provide the products of the following acid-base reaction.
(CH3)3NH+ + HO-→

Accepted Answer

Question 18

The element with the electronic configuration 1s22s22p63s1 is ________.

Accepted Answer

Question 19

The conjugate acid of ammonia, NH3, is ________.

Accepted Answer

A)   NH2-
B)   NH2OH
C)   NH4+
D)   none of the aboveE) A) and B)
F) None of the above

Question 20

One resonance structure of a cation is shown. Provide the other reasonable resonance structures.

Accepted Answer

The answer of One resonance structure of a cation is...

Exam 1: Structure and Bonding

Which of the following are acceptable Lewis structures, including formal charges, for nitric acid, HNO3?

Correct AnswerverifiedShow Answer

Indicate the line-angle structure that corresponds to the condensed structure, HOCH2C(O) CH(CH3) 2.

Correct AnswerverifiedShow Answer

Stabilization of a charged species usually results when this species can be more accurately depicted as a hybrid of several resonance forms. Why is this the case?

Correct AnswerverifiedStabilization result...View AnswerShow Answer

Calculate the molecular formula for the organic compound whose quantitative elemental analysis showed 48.6% caron and 8.1% hydrogen by weight.

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The element with the electronic configuration 1s22s22p63s1 is ________.

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One resonance structure of a cation is shown. Provide the other reasonable resonance structures.

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Provide the line-angle formula (skeletal structure) for (CH3CH2)2C=O.

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When filling two or more orbitals of the same energy with electrons, the electrons will go into different orbitals rather than pair up in the same orbital.

Correct AnswerverifiedShow Answer

Draw the structure of the conjugate acid of acetone

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The compound phenol is shown below. Provide the structure of the conjugate base of phenol.

Correct AnswerverifiedShow Answer

Provide the products of the following acid-base reaction. (CH3)3NH+ + HO-→

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Add the appropriate formal charge to each atom in the molecule below. It is not necessary to indicate formal charges when zero. (All non-bonding electrons are included.)

Correct AnswerverifiedShow Answer

Covalent bonds may be polar or nonpolar. What property of the atoms forming a given bond determines this?

Correct AnswerverifiedShow Answer

Which of the following structures (a-d) is another resonance structure of the following organic molecule?

Correct AnswerverifiedShow Answer

Draw the Lewis structure for boric acid, B(OH)3, including all non-bonding lone pairs.

Correct AnswerverifiedShow Answer

Draw the Lewis structure for 2-propanol, CH3CH(OH)CH3, including all non-bonding lone pairs.

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The conjugate acid of ammonia, NH3, is ________.

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The pH of a 150 mL aqueous solution of 2.13 x 10-3 M HCl is ________.

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Which of the following condensed formulas represents the same compound as the line-angle structure shown?

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What is the molecular formula for the molecule shown?

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Which of the following are acceptable Lewis structures, including formal charges, for nitric acid, HNO₃?

Correct Answer
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Indicate the line-angle structure that corresponds to the condensed structure, HOCH₂C(O) CH(CH₃) ₂.

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Stabilization result...
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The element with the electronic configuration 1s²2s²2p⁶3s¹ is ________.

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Provide the line-angle formula (skeletal structure) for (CH₃CH₂)₂C=O.

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Provide the products of the following acid-base reaction. (CH₃)₃NH⁺ + HO^-→

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Draw the Lewis structure for boric acid, B(OH)₃, including all non-bonding lone pairs.

Correct Answer
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Draw the Lewis structure for 2-propanol, CH₃CH(OH)CH₃, including all non-bonding lone pairs.

Correct Answer
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The conjugate acid of ammonia, NH₃, is ________.

Correct Answer
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The pH of a 150 mL aqueous solution of 2.13 x 10^-3 M HCl is ________.

Correct Answer
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Correct Answer
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Correct Answer
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