Question 1

A primary alcohol has two alkyl groups attached to the carbinol carbon.

Accepted Answer

A) True 
 B)False

Question 2

What class of compounds is represented by the general formula ROR?

Accepted Answer

A) alcohols 
B) esters 
C) ethers 
D) aldehydes 
E) carboxylic acids 
A) alcohols 
B) esters 
C) ethers 
D) aldehydes 
E) carboxylic acids

Question 3

What is the structure of the ether,3-ethoxyhexane?

Accepted Answer

A) 
  
B) CH3CH2OCH2CH2CH2CH2CH2CH3 
C) 
  
D) 
  
E) None of the choices are correct. 
A) 
  
B) CH3CH2OCH2CH2CH2CH2CH2CH3 
C) 
  
D) 
  
E) None of the choices are correct.

Question 4

What role does the thiol coenzyme A perform in biochemical reactions?

Accepted Answer

A) It serves as the energy source for energy-requiring reactions. 
B) It serves as a carrier of two-carbon acetyl groups. 
C) It serves as an identification marker on the surface of cells. 
D) It functions as a catalyst for reduction reactions. 
E) It is a structural component of muscle and bone. 
A) It serves as the energy source for energy-requiring reactions. 
B) It serves as a carrier of two-carbon acetyl groups. 
C) It serves as an identification marker on the surface of cells. 
D) It functions as a catalyst for reduction reactions. 
E) It is a structural component of muscle and bone.

Question 5

Which compound has been improperly named?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) All are properly named. 
A) 
  
B) 
  
C) 
  
D) 
  
E) All are properly named.

Question 6

Which of the following is the structure of ethyl propyl ether?

Accepted Answer

A) 
$\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 }$ 
B) 
  
C) 
  
D) 
  
E) 
  
A) 
$\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } - \mathrm { O } - \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 }$ 
B) 
  
C) 
  
D) 
  
E)

Question 7

What class of compounds is represented by the general formula RSH?

Accepted Answer

A) alcohols 
B) ethers 
C) thiols 
D) phenols 
E) disulfides 
A) alcohols 
B) ethers 
C) thiols 
D) phenols 
E) disulfides

Question 8

The condensation reaction between the two alcohols below produces what type of compound?

Accepted Answer

A) alkene 
B) alkane 
C) carboxylic acid 
D) ester 
E) ether 
A) alkene 
B) alkane 
C) carboxylic acid 
D) ester 
E) ether

Question 9

The compound tetrahydrocannabinol (THC)is partly responsible for the "high" associated with smoking marijuana.Which of the following correctly represents the organic families to which THC belongs?

Accepted Answer

A) alcohol,ether,alkene 
B) phenol,alkene,ether 
C) thiol,phenol,alkene 
D) alcohol,thiol,alkene 
E) ester,phenol,alcohol 
A) alcohol,ether,alkene 
B) phenol,alkene,ether 
C) thiol,phenol,alkene 
D) alcohol,thiol,alkene 
E) ester,phenol,alcohol

Question 10

Which type of alcohol does NOT undergo oxidation under normal conditions?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) Neither secondary nor tertiary alcohols under go oxidation. 
E) All alcohols undergo oxidation. 
A) primary 
B) secondary 
C) tertiary 
D) Neither secondary nor tertiary alcohols under go oxidation. 
E) All alcohols undergo oxidation.

Question 11

What important type of bond,formed between two sulfhydryl (-SH)groups,plays a key role in the shapes of many proteins?

Accepted Answer

A) cysteine bond 
B) hydrogen bond 
C) disulfide bond 
D) thioester bond 
E) double bond 
A) cysteine bond 
B) hydrogen bond 
C) disulfide bond 
D) thioester bond 
E) double bond

Question 12

What alcohol can cause blindness and possibly death when it is consumed?

Accepted Answer

A) ethanal 
B) ethanol 
C) methanal 
D) methanol 
E) 1,2,3-propanetriol 
A) ethanal 
B) ethanol 
C) methanal 
D) methanol 
E) 1,2,3-propanetriol

Question 13

Oxidation of a secondary alcohol results in what type of compound?

Accepted Answer

A) alkene 
B) aldehyde 
C) carboxylic acid 
D) ketone 
E) ether 
A) alkene 
B) aldehyde 
C) carboxylic acid 
D) ketone 
E) ether

Question 14

Which one of the following biochemical species contains a thioester bond that plays a key role in its function?

Accepted Answer

A) NAD+ 
B) NADH 
C) DNA 
D) acetyl CoA 
E) ADP 
A) NAD+ 
B) NADH 
C) DNA 
D) acetyl CoA 
E) ADP

Question 15

What is the name of the product formed in the following reaction,the catalyzed hydrogenation of butanone?   $+\mathrm{H}_{2} \stackrel{\text { catalyst }}{\longrightarrow} \text { ? }$

Accepted Answer

A) butane 
B) isobutyl alcohol 
C) 2-butanol 
D) butanol 
E) butanal 
A) butane 
B) isobutyl alcohol 
C) 2-butanol 
D) butanol 
E) butanal

Question 16

The formation of a disulfide bond (-S-S-)between two sulfhydryl groups (-SH)is an oxidation process.

Accepted Answer

A) True 
 B)False

Question 17

Lactic acid gives sour milk its distinctive taste.What product is formed when lactic acid is oxidized?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
  
A) 
  
B) 
  
C) 
  
D) 
  
E)

Question 18

Which of the following is the structure for methyl tertiary butyl ether?

Accepted Answer

A) 
  
B) 
  
C) 
  
D) 
  
E) 
$\mathrm { CH } _ { 3 } - \mathrm { O } - \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 }$ 
A) 
  
B) 
  
C) 
  
D) 
  
E) 
$\mathrm { CH } _ { 3 } - \mathrm { O } - \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 }$

Question 19

Which of the following statements about the compound shown below is FALSE?

Accepted Answer

A) It is a tertiary alcohol. 
B) Its name is 2-methyl-3-pentanol. 
C) It can participate in hydrogen bonding. 
D) It can be oxidized to a ketone. 
E) It contains both a nonpolar and a polar region. 
A) It is a tertiary alcohol. 
B) Its name is 2-methyl-3-pentanol. 
C) It can participate in hydrogen bonding. 
D) It can be oxidized to a ketone. 
E) It contains both a nonpolar and a polar region.

Question 20

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism.Which of the following best describes the types of alcohols present in cortisol?

Accepted Answer

A) primary,secondary,and tertiary 
B) secondary and tertiary 
C) primary,tertiary,and a phenol 
D) primary,secondary,and quaternary 
E) primary and tertiary 
A) primary,secondary,and tertiary 
B) secondary and tertiary 
C) primary,tertiary,and a phenol 
D) primary,secondary,and quaternary 
E) primary and tertiary

Exam 12: Alcohols, phenols, thiols, and Ethers

A primary alcohol has two alkyl groups attached to the carbinol carbon.

What class of compounds is represented by the general formula ROR?

What is the structure of the ether,3-ethoxyhexane?

What role does the thiol coenzyme A perform in biochemical reactions?

Which compound has been improperly named?

Which of the following is the structure of ethyl propyl ether?

What class of compounds is represented by the general formula RSH?

The condensation reaction between the two alcohols below produces what type of compound?

The compound tetrahydrocannabinol (THC)is partly responsible for the "high" associated with smoking marijuana.Which of the following correctly represents the organic families to which THC belongs?

Which type of alcohol does NOT undergo oxidation under normal conditions?

What important type of bond,formed between two sulfhydryl (-SH)groups,plays a key role in the shapes of many proteins?

What alcohol can cause blindness and possibly death when it is consumed?

Oxidation of a secondary alcohol results in what type of compound?

Which one of the following biochemical species contains a thioester bond that plays a key role in its function?

What is the name of the product formed in the following reaction,the catalyzed hydrogenation of butanone? +H2⟶ catalyst ? +\mathrm{H}_{2} \stackrel{\text { catalyst }}{\longrightarrow} \text { ? }+H2​⟶ catalyst ​ ?

The formation of a disulfide bond (-S-S-)between two sulfhydryl groups (-SH)is an oxidation process.

Lactic acid gives sour milk its distinctive taste.What product is formed when lactic acid is oxidized?

Which of the following is the structure for methyl tertiary butyl ether?

Which of the following statements about the compound shown below is FALSE?

Cortisol is an anti-inflammatory agent that also regulates carbohydrate metabolism.Which of the following best describes the types of alcohols present in cortisol?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

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