Question 1

An acyclic alkane has the general molecular formula CnH2n-2, where n is the number of carbon atoms it contains.

Accepted Answer

A) True 
 B)False

Question 2

The compounds below are constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 3

CO2 is a greenhouse gas.

Accepted Answer

A) True 
 B)False

Question 4

The IUPAC name of the molecule (CH3)2CH(CH2)2CH3 is 2-methylhexane.

Accepted Answer

A) True 
 B)False

Question 5

Oxidation results in a decrease in the number of C-O bonds and an increase in the number of C-H bonds.

Accepted Answer

A) True 
 B)False

Question 6

What is the classification of the carbon atom that bonded to the -OH group in menthol?

Accepted Answer

A) primary 
B) secondary 
C) tertiary 
D) quaternary 
A) primary 
B) secondary 
C) tertiary 
D) quaternary

Question 7

How many secondary carbons are in the straight-chain alkane with the formula C4H10?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 
B) 1 
C) 2 
D) 3 
E) 4

Question 8

Which of the following pairs of compounds are constitutional isomers?

Accepted Answer

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

Question 9

The molecules below are constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 10

What is the IUPAC name of this compound?

Accepted Answer

A) 3-ethyl-5-methyldecane 
B) 3-ethyl-2-pentylhexane 
C) 3-ethyl-5-pentylhexane 
D) 8-ethyl-6-methyldecane 
A) 3-ethyl-5-methyldecane 
B) 3-ethyl-2-pentylhexane 
C) 3-ethyl-5-pentylhexane 
D) 8-ethyl-6-methyldecane

Question 11

The compounds below are constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following compounds is identical to the one shown below?

Accepted Answer

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

Question 13

What is the IUPAC name of this compound?

Accepted Answer

A) 4-isopentylnonane 
B) 3-ethyl-4-propylnonane 
C) 3, 3-dimethyl-4-propylnonane 
D) 3, 3-dimethyl-4-butylnonane 
A) 4-isopentylnonane 
B) 3-ethyl-4-propylnonane 
C) 3, 3-dimethyl-4-propylnonane 
D) 3, 3-dimethyl-4-butylnonane

Question 14

Which of the following is a constitutional isomer of the compound shown below?

Accepted Answer

A)    
B)    
C)    
D)    
E) More than one of the molecules above is a constitutional isomer of the original molecule. 
A)    
B)    
C)    
D)    
E) More than one of the molecules above is a constitutional isomer of the original molecule.

Question 15

There are _____ carbons in the longest continuous chain of carbons in the molecule below.

Accepted Answer

The answer of There are _____ carbons in the longest...

Question 16

The compounds below are identical.

Accepted Answer

A) True 
 B)False

Question 17

What is the classification of each labeled carbon atom in this structure?

Accepted Answer

A) C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 4°. 
B) C1 is a 2°, C2 is 3°, C3 is a 3°, and C4 is 4°. 
C) C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 1°. 
D) C1 is a 2°, C2 is 3°, C3 is a 2°, and C4 is 3°. 
A) C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 4°. 
B) C1 is a 2°, C2 is 3°, C3 is a 3°, and C4 is 4°. 
C) C1 is a 1°, C2 is 2°, C3 is a 3°, and C4 is 1°. 
D) C1 is a 2°, C2 is 3°, C3 is a 2°, and C4 is 3°.

Question 18

The compounds below are constitutional isomers.

Accepted Answer

A) True 
 B)False

Question 19

Which compound is a constitutional isomer of the one shown below?

Accepted Answer

A)    
B)    
C)    
D)    
E) More than one of the compounds above is a constitutional isomer. 
A)    
B)    
C)    
D)    
E) More than one of the compounds above is a constitutional isomer.

Question 20

There are _____ carbons in the longest continuous chain of carbons in the molecule below.

Accepted Answer

The answer of There are _____ carbons in the longest...

Exam 12: Alkanes

An acyclic alkane has the general molecular formula CnH2n-2, where n is the number of carbon atoms it contains.

The compounds below are constitutional isomers.

CO2 is a greenhouse gas.

The IUPAC name of the molecule (CH3)2CH(CH2)2CH3 is 2-methylhexane.

Oxidation results in a decrease in the number of C-O bonds and an increase in the number of C-H bonds.

What is the classification of the carbon atom that bonded to the -OH group in menthol?

How many secondary carbons are in the straight-chain alkane with the formula C4H10?

Which of the following pairs of compounds are constitutional isomers?

The molecules below are constitutional isomers.

What is the IUPAC name of this compound?

The compounds below are constitutional isomers.

Which of the following compounds is identical to the one shown below?

What is the IUPAC name of this compound?

Which of the following is a constitutional isomer of the compound shown below?

There are _____ carbons in the longest continuous chain of carbons in the molecule below.

The compounds below are identical.

What is the classification of each labeled carbon atom in this structure?

The compounds below are constitutional isomers.

Which compound is a constitutional isomer of the one shown below?

There are _____ carbons in the longest continuous chain of carbons in the molecule below.

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

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

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

An acyclic alkane has the general molecular formula C_nH_2n-2, where n is the number of carbon atoms it contains.

CO₂ is a greenhouse gas.

The IUPAC name of the molecule (CH₃)₂CH(CH₂)₂CH₃ is 2-methylhexane.

How many secondary carbons are in the straight-chain alkane with the formula C₄H₁₀?