Question 1

Which of the following ranks the compounds in order of increasing basicity,putting the least basic first?

Accepted Answer

A)  CH3NH2 3OH 4
B)  CH3OH 3NH2 4
C)  CH4 3NH2 3OH
D)  CH4 3OH 3NH2

Question 2

Rank the following compounds in order of decreasing acidity,putting the most acidic first.  II > III B) III > II > I C) II > III > I D) III > I > II" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I > II > III
B)  III > II > I
C)  II > III > I
D)  III > I > II

Question 3

Which of the following is the strongest base?

Accepted Answer

A)  CH3COCH3
B)  CH3COOH
C)  NH3
D)  H2O

Question 4

Identify the base/conjugate base (in that order) in the following reaction:

Accepted Answer

A)  I,III
B)  I,IV
C)  II,III
D)  II,IV

Question 5

What is the direction of equilibrium when acetylene (C2H2) reacts with ethoxide (CH3CH2O-) in an acid-base reaction? 2H2) reacts with ethoxide (CH3CH2O-) in an acid-base reaction?   A) Left B) Right C) Neither D) Cannot be determined" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Left
B)  Right
C)  Neither
D)  Cannot be determined

Question 6

Identify the Lewis acid in the following reaction.

Accepted Answer

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

Question 7

Which of the following concepts can be used to explain the difference in acidity between acetylene (C2H2) and ethylene (C2H4) ?

Accepted Answer

A)  Size
B)  Resonance
C)  Inductive effect
D)  Hybridization

Question 8

Rank the following compounds in order of decreasing acidity,putting the most acidic first.  II > III > I B) IV > III > II > I C) III > IV > II > I D) III > IV > I > II" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  IV > II > III > I
B)  IV > III > II > I
C)  III > IV > II > I
D)  III > IV > I > II

Question 9

Which of the following concepts can be used to explain the difference in acidity between acetic acid (CH3COOH) and ethanol (CH3CH2OH) ?

Accepted Answer

A)  Hybridization
B)  Electronegativity
C)  Resonance
D)  Size

Question 10

Consider the following molecule with protons labeled,I-III.Rank these protons in order of decreasing acidity,putting the most acidic first.  II > III B) I > III > II C) III > II > I D) III > I > II" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  I > II > III
B)  I > III > II
C)  III > II > I
D)  III > I > II

Question 11

Rank the following compounds in order of decreasing acidity,putting the most acidic first.  II > III > I B) III > II > IV > I C) I > II > IV > III D) III > IV > II > I" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  IV > II > III > I
B)  III > II > IV > I
C)  I > II > IV > III
D)  III > IV > II > I

Question 12

Consider the following structures I-IV.Which two species represent constitutional isomers?

Accepted Answer

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

Question 13

What is the correct classification of the following compound? CH3-O-CH3

Accepted Answer

A)  Brønsted-Lowry acid and Lewis acid
B)  Brønsted-Lowry base and Lewis base
C)  Brønsted-Lowry base
D)  Lewis base

Question 14

Which of the following species is the strongest base?

Accepted Answer

A)  HO-
B)  H2N-
C)  CH3COO-
D)  Cl-

Question 15

Which of the following would have the lowest pKa?

Accepted Answer

A)  ClCH2CH2CH2CH2COOH
B)  CH3CHClCH2CH2COOH
C)  CH3CH2CHClCH2COOH
D)  CH3CH2CH2CHClCOOH

Question 16

Which of the following species is the conjugate acid of ammonia,NH3?

Accepted Answer

A)  H4N
B)  H3N+
C)  H2N-
D)  H4N+

Question 17

Identify the acid/conjugate acid (in that order) in the following reaction:

Accepted Answer

A)  I,III
B)  I,IV
C)  II,III
D)  II,IV

Question 18

Which of the following will proceed as written?

Accepted Answer

A)  CH3ONa + HCl → CH3OH + NaCl
B)  CH3OH + NaCl → NaOEt + HCl
C)  CH3OH + H2O → CH3O- + H3O+
D)  CH3OH + NH3 → CH3O- + NH4±

Question 19

Consider the following structures I-IV.Which two species represent resonance structures?

Accepted Answer

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

Exam 2: Acids and Bases

What is the correct classification of the following compound? CH₃-O-CH₃

Correct Answer
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Which of the following species is the strongest base?

Correct Answer
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Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct Answer
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Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct Answer
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Which of the following is the strongest base?

Correct Answer
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Consider the following structures I-IV.Which two species represent resonance structures?

Correct Answer
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Consider the following molecule with protons labeled,I-III.Rank these protons in order of decreasing acidity,putting the most acidic first.

Correct Answer
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Identify the base/conjugate base (in that order) in the following reaction:

Correct Answer
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Consider the following structures I-IV.Which two species represent constitutional isomers?

Correct Answer
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Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct Answer
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Identify the Lewis acid in the following reaction.

Correct Answer
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Which of the following concepts can be used to explain the difference in acidity between acetic acid (CH₃COOH) and ethanol (CH₃CH₂OH) ?

Correct Answer
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What is the direction of equilibrium when acetylene (C₂H₂) reacts with ethoxide (CH₃CH₂O^-) in an acid-base reaction?

Correct Answer
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Which of the following species is the conjugate acid of ammonia,NH₃?

Correct Answer
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Identify the acid/conjugate acid (in that order) in the following reaction:

Correct Answer
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Which of the following concepts can be used to explain the difference in acidity between acetylene (C₂H₂) and ethylene (C₂H₄) ?

Correct Answer
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Which of the following ranks the compounds in order of increasing basicity,putting the least basic first?

Correct Answer
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Which of the following would have the lowest pKa?

Correct Answer
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Which of the following will proceed as written?

Correct Answer
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Exam 2: Acids and Bases

What is the correct classification of the following compound? CH3-O-CH3

Correct AnswerverifiedShow Answer

Which of the following species is the strongest base?

Correct AnswerverifiedShow Answer

Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct AnswerverifiedShow Answer

Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct AnswerverifiedShow Answer

Which of the following is the strongest base?

Correct AnswerverifiedShow Answer

Consider the following structures I-IV.Which two species represent resonance structures?

Correct AnswerverifiedShow Answer

Consider the following molecule with protons labeled,I-III.Rank these protons in order of decreasing acidity,putting the most acidic first.

Correct AnswerverifiedShow Answer

Identify the base/conjugate base (in that order) in the following reaction:

Correct AnswerverifiedShow Answer

Consider the following structures I-IV.Which two species represent constitutional isomers?

Correct AnswerverifiedShow Answer

Rank the following compounds in order of decreasing acidity,putting the most acidic first.

Correct AnswerverifiedShow Answer

Identify the Lewis acid in the following reaction.

Correct AnswerverifiedShow Answer

Which of the following concepts can be used to explain the difference in acidity between acetic acid (CH3COOH) and ethanol (CH3CH2OH) ?

Correct AnswerverifiedShow Answer

What is the direction of equilibrium when acetylene (C2H2) reacts with ethoxide (CH3CH2O-) in an acid-base reaction?

Correct AnswerverifiedShow Answer

Which of the following species is the conjugate acid of ammonia,NH3?

Correct AnswerverifiedShow Answer

Identify the acid/conjugate acid (in that order) in the following reaction:

Correct AnswerverifiedShow Answer

Which of the following concepts can be used to explain the difference in acidity between acetylene (C2H2) and ethylene (C2H4) ?

Correct AnswerverifiedShow Answer

Which of the following ranks the compounds in order of increasing basicity,putting the least basic first?

Correct AnswerverifiedShow Answer

Which of the following would have the lowest pKa?

Correct AnswerverifiedShow Answer

Which of the following will proceed as written?

Correct AnswerverifiedShow Answer

What is the correct classification of the following compound? CH₃-O-CH₃

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which of the following concepts can be used to explain the difference in acidity between acetic acid (CH₃COOH) and ethanol (CH₃CH₂OH) ?

Correct Answer
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What is the direction of equilibrium when acetylene (C₂H₂) reacts with ethoxide (CH₃CH₂O^-) in an acid-base reaction?

Correct Answer
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Which of the following species is the conjugate acid of ammonia,NH₃?

Correct Answer
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Correct Answer
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Which of the following concepts can be used to explain the difference in acidity between acetylene (C₂H₂) and ethylene (C₂H₄) ?

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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