Question 1

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

Accepted Answer

A)  IV > III > I > II
B)  IV > II > I > III
C)  II > I > IV > III
D)  II > I > III > IVE) A) and C)
F) None of the above

Question 2

Which of the following is the most polar organic compound?

Accepted Answer

A)  CH3CH2CH2CH3
B)  CH3CH2CHO
C)  CH3CH2CH2OH
D)  CH3COOHE) B) and C)
F) C) and D)

Question 3

Which of the following is the correct IUPAC name for the following structure?

Accepted Answer

A)  Potassium propanoate
B)  Butanoic potassium
C)  Potassium propanoic
D)  Potassium butanoateE) A) and D)
F) B) and C)

Question 4

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

Accepted Answer

A)  III > IV > I > II
B)  IV > III > I > II
C)  I > II > III > IV
D)  IV > III > II > IE) B) and D)
F) A) and B)

Question 5

Which of the following bases are strong enough to significantly deprotonate ethanol,CH3CH2OH (pKa = 16) ?

Accepted Answer

A)  NaOCH3
B)  NaOH
C)  NaH
D)  NaOCH2CH3E) None of the above
F) A) and B)

Question 6

What is the common name of the following compound?

Accepted Answer

A)  a,b-Dimethoxyvaleric acid
B)  2,3-Dimethoxyvaleric acid
C)  2,3-Dimethoxycaproic acid
D)  a,b-Dimethoxycaproic acidE) A) and B)
F) A) and C)

Question 7

What is the common name of the following compound?

Accepted Answer

A)  a-Methylbutyric acid
B)  a-Propylpropionic acid
C)  a-Methylvaleric acid
D)  a-Methylcaproic acidE) A) and D)
F) A) and B)

Question 8

What is the overall charge of the amino acid,alanine,at pH = 2?

Accepted Answer

A)  + 1
B)  - 1
C)  No overall charge
D)  + 2E) A) and D)
F) B) and C)

Question 9

What is the common name of the following compound?

Accepted Answer

A)  b,b-Dimethyl-a-fluorobutyric acid
B)  a-Fluoro-b,b-dimethylbutyric acid
C)  a-Fluoro-b,b,b-trimethylpropionic acid
D)  a-Fluoro-b,b,b-trimethylbutyric acidE) B) and C)
F) A) and D)

Question 10

Give the IUPAC name of the following compound.

Accepted Answer

A)  R-2-methylpentanenitrile
B)  S-2-methylpentanenitrile
C)  R-2-nitrilehexane
D)  S-2-nitrilehexaneE) A) and B)
F) None of the above

Question 11

What would happen if a mixture of benzoic acid (C6H5COOH) and NaCl is added to a separatory funnel containing H2O and CH2Cl2?

Accepted Answer

A)  The benzoic acid would dissolve in the water layer and the NaCl would dissolve in the organic layer.
B)  The benzoic acid would dissolve in the organic layer and the NaCl would dissolve in the water layer.
C)  Both benzoic acid and NaCl would dissolve in the organic layer.
D)  Both benzoic acid and NaCl would dissolve in the water layer.E) A) and B)
F) A) and C)

Question 12

Rank the labeled protons (Ha-Hd) in order of increasing acidity,starting with the least acidic. a-Hd) in order of increasing acidity,starting with the least acidic.   A) Ha

Accepted Answer

A)  Ha 
B)  Hb 
C)  Hd 
D)  Hb < Hc < Hd < HaE) A) and B)
F) A) and C)

Question 13

Why is pure acetic acid often called glacial acetic acid?

Accepted Answer

A)  Because it freezes just below 0°C,forming white crystals
B)  Because it freezes just below 100°C,forming white crystals
C)  Because it freezes just below room temperature,forming white crystals
D)  Because it freezes just above room temperature,forming white crystalsE) None of the above
F) All of the above

Question 14

What two strong absorptions are characteristic of the IR spectrum of carboxylic acids?

Accepted Answer

A)  A C=O absorption at 1710 cm-1 and a C-H absorption at 3000 cm-1.
B)  A C=O absorption at 1710 cm-1 and an O-H absorption at 2500-3500 cm-1.
C)  A C=O absorption at 1600 cm-1 and an O-H absorption at 2500-3000 cm-1.
D)  A C-O absorption at 1500 cm-1 and an O-H absorption at 2500-3500 cm-1.E) B) and C)
F) A) and D)

Question 15

What is the other product formed in the oxidation of the following terminal alkyne? 2 D) CO" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  HCOOH
B)  HCOH
C)  CO2
D)  COE) C) and D)
F) A) and B)

Question 16

What is the correct IUPAC name of the following compound?

Accepted Answer

A)  4-Isopropyl-3-methylbutanoic acid
B)  2,4-Dimethylhexanoic acid
C)  3,5-Dimethylhexanoic acid
D)  3,5-Dimethy-1-hexanoic acidE) B) and C)
F) A) and D)

Question 17

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

Accepted Answer

A)  IV > III > II > I
B)  IV > I > III > II
C)  I > II > III > IV
D)  IV > II > III > IE) A) and B)
F) B) and C)

Question 18

Which of the following compounds is most basic?

Accepted Answer

A)  I
B)  II
C)  III
D)  IVE) A) and B)
F) A) and C)

Question 19

What is the correct IUPAC name of the following compound?

Accepted Answer

A)  2-sec-Butyl-4,4-dimethylnonanoic acid
B)  4,4-Dimethyl-2-isobutylnonanoic acid
C)  4,4-Dimethyl-2-sec-butylnonanoic acid
D)  2-Isobutyl-4,4-dimethylnonanoic acidE) A) and B)
F) A) and C)

Question 20

What two groups make up the carboxylic acid group (RCOOH) ?

Accepted Answer

A)  Carbon dioxide and hydrogen
B)  Carbonyl and hydroxyl
C)  Carbon monoxide and hydroxyl
D)  Carbonyl oxide and hydrogenE) A) and B)
F) B) and D)

Exam 19: Carboxylic Acids and the Acidity of the O-H Bond

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

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Which of the following bases are strong enough to significantly deprotonate ethanol,CH3CH2OH (pKa = 16) ?

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What is the correct IUPAC name of the following compound?

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What would happen if a mixture of benzoic acid (C6H5COOH) and NaCl is added to a separatory funnel containing H2O and CH2Cl2?

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Which of the following is the correct IUPAC name for the following structure?

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Why is pure acetic acid often called glacial acetic acid?

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

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

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What is the common name of the following compound?

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What is the common name of the following compound?

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Rank the labeled protons (Ha-Hd) in order of increasing acidity,starting with the least acidic.

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What is the overall charge of the amino acid,alanine,at pH = 2?

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Give the IUPAC name of the following compound.

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What is the other product formed in the oxidation of the following terminal alkyne?

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What two strong absorptions are characteristic of the IR spectrum of carboxylic acids?

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Which of the following compounds is most basic?

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What is the correct IUPAC name of the following compound?

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What two groups make up the carboxylic acid group (RCOOH) ?

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What is the common name of the following compound?

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Which of the following is the most polar organic compound?

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Which of the following bases are strong enough to significantly deprotonate ethanol,CH₃CH₂OH (pKa = 16) ?

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What would happen if a mixture of benzoic acid (C₆H₅COOH) and NaCl is added to a separatory funnel containing H₂O and CH₂Cl₂?

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Rank the labeled protons (H_a-H_d) in order of increasing acidity,starting with the least acidic.

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