Question 1

Name the compound shown below.

Accepted Answer

2,4-dimeth

Question 2

Using acid-base extractions, how might you purify a crude sample of benzoic acid?

Accepted Answer

1. Dissolve sample in ether.
2. Extract

Question 3

Provide the major organic product of the reaction shown below.

Accepted Answer

The answer of Provide the major organic product of the...

Question 4

Provide a detailed, stepwise mechanism for the reaction of acetyl chloride with methanol to produce methyl acetate and HCl.

Accepted Answer

The answer of Provide a detailed, stepwise mechanism for the...

Question 5

Provide the major organic product of the following reaction sequence.

Accepted Answer

The answer of Provide the major organic product of the...

Question 6

Provide the major organic product of the reaction shown below.

Accepted Answer

The answer of Provide the major organic product of the...

Question 7

Provide the structure of the major organic product of the reaction sequence shown.

Accepted Answer

The answer of Provide the structure of the major organic...

Question 8

Provide the major organic product of the reaction shown below.

Accepted Answer

The answer of Provide the major organic product of the...

Question 9

Which of the following reactions involves the formation of a methyl ester from a carboxylic acid?

Accepted Answer

A)  Cope elimination 
B)  Hell-Volhard-Zelinsky reaction 
C)  reaction with CH2N2 
D)  Hunsdiecker reaction 
E)  hydroboration with diborane 
A)  Cope elimination 
B)  Hell-Volhard-Zelinsky reaction 
C)  reaction with CH2N2 
D)  Hunsdiecker reaction 
E)  hydroboration with diborane

Question 10

Provide the major organic product of the following reaction sequence.

Accepted Answer

The answer of Provide the major organic product of the...

Question 11

The common name for pentanedioic acid is:

Accepted Answer

A)  pimelic acid. 
B)  oxalic acid. 
C)  glutaric acid. 
D)  succinic acid. 
E)  adipic acid. 
A)  pimelic acid. 
B)  oxalic acid. 
C)  glutaric acid. 
D)  succinic acid. 
E)  adipic acid.

Question 12

Provide the major organic product of the following reaction.

Accepted Answer

The answer of Provide the major organic product of the...

Question 13

How can one prepare ethyl cyclohexyl ketone from cyclohexanecarboxylic acid?

Accepted Answer

1. CH₃CH₂Li

Question 14

Which of the following statements is true?

Accepted Answer

A)  The carbonyl carbon in a carboxylic acid does not give a 13C signal in a 13C-NMR spectrum. 
B)  The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from a ketone or aldehyde ­ in the range of 200 ppm. 
C)  The carbonyl carbon of a carboxylic acid splits a proton signal into a doublet in an H-NMR spectrum. 
D)  The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from an ester or amide in the range of 150 to 180 ppm. 
E)  The carbonyl carbon in a carboxylic acid cannot be distinguished from an aromatic carbon because they both give signals in the range of 110 to 130 ppm. 
A)  The carbonyl carbon in a carboxylic acid does not give a 13C signal in a 13C-NMR spectrum. 
B)  The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from a ketone or aldehyde ­ in the range of 200 ppm. 
C)  The carbonyl carbon of a carboxylic acid splits a proton signal into a doublet in an H-NMR spectrum. 
D)  The carbonyl carbon in a carboxylic acid gives a 13C signal in the same region as a carbonyl carbon from an ester or amide in the range of 150 to 180 ppm. 
E)  The carbonyl carbon in a carboxylic acid cannot be distinguished from an aromatic carbon because they both give signals in the range of 110 to 130 ppm.

Question 15

1-Hexanol reacts with chromic acid to yield what product?

Accepted Answer

The answer of 1-Hexanol reacts with chromic acid to yield...

Question 16

Provide the major organic product of the following reaction sequence.

Accepted Answer

The answer of Provide the major organic product of the...

Question 17

An ether solution of PhCO2H (A), PhNH2 (B), and PhCH3 (C) is extracted with aqueous NaOH. The ether layer will contain what compound(s) after the extraction?

Accepted Answer

A)  A + B 
B)  A + C 
C)  B + C 
D)  A + B + C 
E)  A only 
A)  A + B 
B)  A + C 
C)  B + C 
D)  A + B + C 
E)  A only

Question 18

Provide the major organic product of the following reaction.

Accepted Answer

The answer of Provide the major organic product of the...

Question 19

The strongest dichlorobutanoic acid is:

Accepted Answer

A)  2,2-dichlorobutanoic acid. 
B)  2,3-dichlorobutanoic acid. 
C)  3,3-dichlorobutanoic acid. 
D)  3,4-dichlorobutanoic acid. 
E)  4,4-dichlorobutanoic acid. 
A)  2,2-dichlorobutanoic acid. 
B)  2,3-dichlorobutanoic acid. 
C)  3,3-dichlorobutanoic acid. 
D)  3,4-dichlorobutanoic acid. 
E)  4,4-dichlorobutanoic acid.

Question 20

Provide the name of the compound shown below.

Accepted Answer

2,5-dimethyl-4-hexen

Exam 20: Carboxylic Acids

Name the compound shown below.

Using acid-base extractions, how might you purify a crude sample of benzoic acid?

Provide the major organic product of the reaction shown below.

Provide a detailed, stepwise mechanism for the reaction of acetyl chloride with methanol to produce methyl acetate and HCl.

Provide the major organic product of the following reaction sequence.

Provide the major organic product of the reaction shown below.

Provide the structure of the major organic product of the reaction sequence shown.

Provide the major organic product of the reaction shown below.

Which of the following reactions involves the formation of a methyl ester from a carboxylic acid?

Provide the major organic product of the following reaction sequence.

The common name for pentanedioic acid is:

Provide the major organic product of the following reaction.

How can one prepare ethyl cyclohexyl ketone from cyclohexanecarboxylic acid?

Which of the following statements is true?

1-Hexanol reacts with chromic acid to yield what product?

Provide the major organic product of the following reaction sequence.

An ether solution of PhCO2H (A), PhNH2 (B), and PhCH3 (C) is extracted with aqueous NaOH. The ether layer will contain what compound(s) after the extraction?

Provide the major organic product of the following reaction.

The strongest dichlorobutanoic acid is:

Provide the name of the compound shown below.

Introduction and Review

Structure and Properties of Organic Molecules

Structure and Stereochemistry of Alkanes

The Study of Chemical Reactions

Stereochemistry

Alkyl Halides: Nucleophilic Substitution and Elimination

Structure and Synthesis of Alkenes

Reactions of Alkenes

Alkynes

Structure and Synthesis of Alcohols

Reactions of Alcohols

Infrared Spectroscopy and Mass Spectrometry

Nuclear Magnetic Resonance Spectroscopy

Ethers, Epoxides, and Thioethers

Conjugated Systems, Orbital Symmetry, and Ultraviolet Spectroscopy

Aromatic Compounds

Reactions of Aromatic Compounds

Ketones and Aldehydes

Amines

Carboxylic Acid Derivatives

Condensations and Alpha Substitutions of Carboxyl Compounds

Carbohydrates and Nucleic Acids

Amino Acids, Peptides, and Proteins

Lipids

Synthetic Polymers

Filters

An ether solution of PhCO₂H (A), PhNH₂ (B), and PhCH₃ (C) is extracted with aqueous NaOH. The ether layer will contain what compound(s) after the extraction?