Question 1

Which compound is soluble in heptane, but not soluble in water?

Accepted Answer

A) (CH3)2CH(CH2)5CHO 
B) CH3COCH3 
C) CH3CH2CHO 
D) All of the compounds above are soluble in both heptane and water. 
A) (CH3)2CH(CH2)5CHO 
B) CH3COCH3 
C) CH3CH2CHO 
D) All of the compounds above are soluble in both heptane and water.

Question 2

What is the structure of 1-chloro-3-ethyl-2-heptanone?

Accepted Answer

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

Question 3

When light hits the retina, the 11-cis double bond of 11-cis-retinal is isomerized to its more stable trans isomer, and the all-trans-retinal is formed.

Accepted Answer

A) True 
 B)False

Question 4

The compound decanal contributes to the odor and flavor of an orange. Which of the statements concerning the structure of decanal is incorrect?

Accepted Answer

A) Decanal is an aldehyde. 
B) Decanal contains a saturated chain of ten carbons. 
C) Decanal contains a carbonyl group on the first carbon of the carbon chain. 
D) Decanal is an aromatic compound. 
A) Decanal is an aldehyde. 
B) Decanal contains a saturated chain of ten carbons. 
C) Decanal contains a carbonyl group on the first carbon of the carbon chain. 
D) Decanal is an aromatic compound.

Question 5

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

Accepted Answer

A) True 
 B)False

Question 6

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _____ acetal(s)and _____ hemiacetal(s).

Accepted Answer

The answer of Lactose (structure shown)is the principal carbohydrate in...

Question 7

The simplest aldehyde contains _____ carbon atom(s), and the simplest ketone contains _____ carbon atom(s).

Accepted Answer

The answer of The simplest aldehyde contains _____ carbon atom(s),...

Question 8

Which is the structure of 3-bromo-2-methylbutanal?

Accepted Answer

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

Question 9

In a process similar to the one characterized by glucose, the ketone below forms the indicated hemiacetal product.

Accepted Answer

A) True 
 B)False

Question 10

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

Accepted Answer

A) True 
 B)False

Question 11

When the compound shown is treated with H2 and a Pd catalyst, the indicated product is formed.

Accepted Answer

A) True 
 B)False

Question 12

The reaction below illustrates oxidation of an aldehyde.

Accepted Answer

A) True 
 B)False

Question 13

What is the product of the reduction of an aldehyde?

Accepted Answer

A) a primary alcohol 
B) a secondary alcohol 
C) a tertiary alcohol 
D) a carboxylic acid 
E) an ether 
A) a primary alcohol 
B) a secondary alcohol 
C) a tertiary alcohol 
D) a carboxylic acid 
E) an ether

Question 14

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

Accepted Answer

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

Question 15

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _____ acetal(s)and _____ hemiacetal(s).

Accepted Answer

The answer of Lactose (structure shown)is the principal carbohydrate in...

Question 16

Aldehydes and ketones undergo addition reactions with alcohols (ROH)to form hemiacetals and acetals.

Accepted Answer

A) True 
 B)False

Question 17

The compound below is classified as what type of compound?

Accepted Answer

A) an acetal 
B) a hemiacetal 
C) an ether 
D) an acetal and an ether 
A) an acetal 
B) a hemiacetal 
C) an ether 
D) an acetal and an ether

Question 18

Aldehydes and ketones undergo addition reactions which break one of the bonds in the carbon-oxygen double bond.

Accepted Answer

A) True 
 B)False

Question 19

_____ is the simplest aldehyde.

Accepted Answer

Formaldehy

Question 20

What hydrolysis products are formed when the acetal (CH3CH2CH2)2C(OCH2CH3)2 is treated with H2SO4 in H2O?

Accepted Answer

A) (CH3CH2CH2)2CHOCH2CH3 + CH3CH2OH 
B) (CH3CH2CH2)2CO + 2 CH3CH2OH 
C) (CH3CH2CH2)2CHOH + 2 CH3CH2OH 
D) CH2(OCH2CH3)2 + 2 CH3CH2CH3 
A) (CH3CH2CH2)2CHOCH2CH3 + CH3CH2OH 
B) (CH3CH2CH2)2CO + 2 CH3CH2OH 
C) (CH3CH2CH2)2CHOH + 2 CH3CH2OH 
D) CH2(OCH2CH3)2 + 2 CH3CH2CH3

Exam 16: Aldehydes and Ketones

Which compound is soluble in heptane, but not soluble in water?

What is the structure of 1-chloro-3-ethyl-2-heptanone?

When light hits the retina, the 11-cis double bond of 11-cis-retinal is isomerized to its more stable trans isomer, and the all-trans-retinal is formed.

The compound decanal contributes to the odor and flavor of an orange. Which of the statements concerning the structure of decanal is incorrect?

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _____ acetal(s)and _____ hemiacetal(s).

The simplest aldehyde contains _____ carbon atom(s), and the simplest ketone contains _____ carbon atom(s).

Which is the structure of 3-bromo-2-methylbutanal?

In a process similar to the one characterized by glucose, the ketone below forms the indicated hemiacetal product.

The ketone below produces the indicated product upon oxidation with K2Cr2O7.

When the compound shown is treated with H2 and a Pd catalyst, the indicated product is formed.

The reaction below illustrates oxidation of an aldehyde.

What is the product of the reduction of an aldehyde?

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

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _____ acetal(s)and _____ hemiacetal(s).

Aldehydes and ketones undergo addition reactions with alcohols (ROH)to form hemiacetals and acetals.

The compound below is classified as what type of compound?

Aldehydes and ketones undergo addition reactions which break one of the bonds in the carbon-oxygen double bond.

_____ is the simplest aldehyde.

What hydrolysis products are formed when the acetal (CH3CH2CH2)2C(OCH2CH3)2 is treated with H2SO4 in H2O?

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

The ketone below produces the indicated product upon oxidation with K₂Cr₂O₇.

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _ acetal(s)and _ hemiacetal(s).

The simplest aldehyde contains _ carbon atom(s), and the simplest ketone contains _ carbon atom(s).

The ketone below produces the indicated product upon oxidation with K₂Cr₂O₇.

When the compound shown is treated with H₂ and a Pd catalyst, the indicated product is formed.

Lactose (structure shown)is the principal carbohydrate in milk. Lactose contains _ acetal(s)and _ hemiacetal(s).

What hydrolysis products are formed when the acetal (CH₃CH₂CH₂)₂C(OCH₂CH₃)₂ is treated with H₂SO₄ in H₂O?