Question 1

What is the name of the aqueous solution of formaldehyde that is available commercially as a tissue preservative?

Accepted Answer

A) acetone 
B) formalin 
C) acetaldehyde 
D) glycerol 
E) enol 
A) acetone 
B) formalin 
C) acetaldehyde 
D) glycerol 
E) enol

Question 2

Salicin is a naturally occurring pain reliever isolated from the bark of willow trees.Which of the following statements concerning the structure of salicin is correct?

Accepted Answer

A) It contains a hemiacetal. 
B) It contains an acetal. 
C) It contains both a hemiacetal and an acetal. 
D) It contains a phenol. 
E) It contains a hemiacetal,an acetal,and a phenol. 
A) It contains a hemiacetal. 
B) It contains an acetal. 
C) It contains both a hemiacetal and an acetal. 
D) It contains a phenol. 
E) It contains a hemiacetal,an acetal,and a phenol.

Question 3

An unknown compound is highly water soluble,forms a silver mirror in the Tollens' test,and forms a red precipitate in the Benedict's test.Which of the following compounds is consistent with this data?

Accepted Answer

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

Question 4

The presence of a carbonyl group has which effect on the physical properties of a compound?

Accepted Answer

A) The carbonyl group decreases the polarity of the compound. 
B) The carbonyl group increases the boiling point of the compound. 
C) The carbonyl group decreases the water solubility of the compound. 
D) The carbonyl group increases the ability of the compound to form ionic bonds. 
E) The carbonyl group decreases the melting point of the compound. 
A) The carbonyl group decreases the polarity of the compound. 
B) The carbonyl group increases the boiling point of the compound. 
C) The carbonyl group decreases the water solubility of the compound. 
D) The carbonyl group increases the ability of the compound to form ionic bonds. 
E) The carbonyl group decreases the melting point of the compound.

Question 5

What is the structure of the acetal produced in the following reaction?

Accepted Answer

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

Question 6

Acetone is the simplest ketone.Not only is it used industrially as a solvent,but it is also produced by the body as a product of lipid metabolism.What is the structure of acetone?

Accepted Answer

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

Question 7

What type of compound is produced in the reaction of a ketone with two alcohol molecules in the presence of a trace of acid?

Accepted Answer

A) hemiacetal 
B) aldehyde 
C) carboxylic acid 
D) enol 
E) acetal 
A) hemiacetal 
B) aldehyde 
C) carboxylic acid 
D) enol 
E) acetal

Question 8

Which of the following compounds would be expected to react similarly in a chemical reaction?

Accepted Answer

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

Question 9

What is the name of the organic product formed when the compound shown is oxidized?

Accepted Answer

A) 2-butanol 
B) butanone 
C) butanal 
D) butyl ketone 
E) methyl ethyl ether 
A) 2-butanol 
B) butanone 
C) butanal 
D) butyl ketone 
E) methyl ethyl ether

Question 10

Which structure/name combination is incorrect?

Accepted Answer

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

Question 11

A ketone can be reduced to a primary alcohol.

Accepted Answer

A) True 
 B)False

Question 12

What type of compound is produced by the oxidation of an aldehyde?

Accepted Answer

A) carboxylic acid 
B) alcohol 
C) alkane 
D) hemiacetal 
E) acetone 
A) carboxylic acid 
B) alcohol 
C) alkane 
D) hemiacetal 
E) acetone

Question 13

Which of the following is a hemiacetal?

Accepted Answer

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

Question 14

The oxidation of isopropyl alcohol produces propanone.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is the enol tautomer of the keto form shown?

Accepted Answer

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

Question 16

What alcohol undergoes oxidation to produce acetic acid?

Accepted Answer

A) methanol 
B) ethanol 
C) propanol 
D) isopropyl alcohol 
E) acetone 
A) methanol 
B) ethanol 
C) propanol 
D) isopropyl alcohol 
E) acetone

Question 17

Formaldehyde is used to kill viruses without damaging their genetic information.

Accepted Answer

A) True 
 B)False

Question 18

What is the structure of ethyl isopropyl ketone?

Accepted Answer

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

Question 19

The compound butanone does not need a number to specify the location of the carbonyl group on the parent carbon chain.Which of the following best explains why?

Accepted Answer

A) The C=O is assumed to be on C-1 of the parent chain if it is not specified. 
B) The C=O can only be on C-2 of the parent chain in this compound for it to be a ketone. 
C) The C=O is on an end carbon in this compound,and therefore does not need to be specified. 
D) The location of a C=O does not need to be specified for a cyclic ketone. 
E) The location of the C=O in this compound is not significant to the name. 
A) The C=O is assumed to be on C-1 of the parent chain if it is not specified. 
B) The C=O can only be on C-2 of the parent chain in this compound for it to be a ketone. 
C) The C=O is on an end carbon in this compound,and therefore does not need to be specified. 
D) The location of a C=O does not need to be specified for a cyclic ketone. 
E) The location of the C=O in this compound is not significant to the name.

Question 20

What is the common name of the simplest aldehyde?

Accepted Answer

A) acetal 
B) methal 
C) acetaldehyde 
D) formaldehyde 
E) formal 
A) acetal 
B) methal 
C) acetaldehyde 
D) formaldehyde 
E) formal

Exam 13: Aldehydes and Ketones

What is the name of the aqueous solution of formaldehyde that is available commercially as a tissue preservative?

Salicin is a naturally occurring pain reliever isolated from the bark of willow trees.Which of the following statements concerning the structure of salicin is correct?

An unknown compound is highly water soluble,forms a silver mirror in the Tollens' test,and forms a red precipitate in the Benedict's test.Which of the following compounds is consistent with this data?

The presence of a carbonyl group has which effect on the physical properties of a compound?

What is the structure of the acetal produced in the following reaction?

Acetone is the simplest ketone.Not only is it used industrially as a solvent,but it is also produced by the body as a product of lipid metabolism.What is the structure of acetone?

What type of compound is produced in the reaction of a ketone with two alcohol molecules in the presence of a trace of acid?

Which of the following compounds would be expected to react similarly in a chemical reaction?

What is the name of the organic product formed when the compound shown is oxidized?

Which structure/name combination is incorrect?

A ketone can be reduced to a primary alcohol.

What type of compound is produced by the oxidation of an aldehyde?

Which of the following is a hemiacetal?

The oxidation of isopropyl alcohol produces propanone.

Which of the following is the enol tautomer of the keto form shown?

What alcohol undergoes oxidation to produce acetic acid?

Formaldehyde is used to kill viruses without damaging their genetic information.

What is the structure of ethyl isopropyl ketone?

The compound butanone does not need a number to specify the location of the carbonyl group on the parent carbon chain.Which of the following best explains why?

What is the common name of the simplest aldehyde?

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

Alcohols, phenols, thiols, and Ethers

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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