Question 1

Since all alkanes are saturated hydrocarbons,all of the carbon atoms are aligned in one continuous chain.

Accepted Answer

A) True 
 B)False

Question 2

How many hydrogen atoms are needed to complete the following structure?
C=C-N-C

Accepted Answer

A)  6 
B)  7 
C)  9 
D)  10 
A)  6 
B)  7 
C)  9 
D)  10

Question 3

Three physical properties shown below beside different alkane series.Which of the series is(are)listed in the order of increase (lowest to highest)for the corresponding property?

Accepted Answer

A)  Density: C4H10 5H12 8H18 
B)  Melting Point: C8H18 5H12 4H10 
C)  Boiling Point: C5H12 4H10 8H18 
D)  All are correctly ranked. 
A)  Density: C4H10 5H12 8H18 
B)  Melting Point: C8H18 5H12 4H10 
C)  Boiling Point: C5H12 4H10 8H18 
D)  All are correctly ranked.

Question 4

Isomers differ from each other in the number of neutrons present in each.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following structural formulas represents an normal (unbranched)alkane?

Accepted Answer

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

Question 6

The following two structures would be classified as what?

Accepted Answer

A)  geometric isomers 
B)  structural isomers 
C)  stereoisomers 
D)  conformations 
A)  geometric isomers 
B)  structural isomers 
C)  stereoisomers 
D)  conformations

Question 7

Which of the following formulas represents a saturated hydrocarbon?

Accepted Answer

A)  C2H6 
B)  C2H4 
C)  C3H6 
D)  C5H10 
A)  C2H6 
B)  C2H4 
C)  C3H6 
D)  C5H10

Question 8

The name for the following structure will end with ____.

Accepted Answer

A)  ethane 
B)  butane 
C)  hexane 
D)  octane 
A)  ethane 
B)  butane 
C)  hexane 
D)  octane

Question 9

What is a characteristic shared by the alkanes?

Accepted Answer

A)  soluble 
B)  polar 
C)  flammable 
D)  colored 
A)  soluble 
B)  polar 
C)  flammable 
D)  colored

Question 10

Isomers have identical physical and chemical properties.

Accepted Answer

A) True 
 B)False

Question 11

Isomers always have the same molecular formula.

Accepted Answer

A) True 
 B)False

Question 12

The following compound would be named ____-1,2-dimethylcyclopropane.

Accepted Answer

A)  cis 
B)  trans 
C)  either cis or trans 
D)  neither cis nor trans 
A)  cis 
B)  trans 
C)  either cis or trans 
D)  neither cis nor trans

Question 13

When the following hydrocarbon reacts with an excess of oxygen gas,the balanced equation would contain how many moles of water?

Accepted Answer

A)  5 
B)  6 
C)  10 
D)  12 
A)  5 
B)  6 
C)  10 
D)  12

Question 14

Most organic compounds contain ionic bonds.

Accepted Answer

A) True 
 B)False

Question 15

Which applies to the manner in which carbon bonds in alkanes?

Accepted Answer

A)  The bonds are formed with carbon using an sp3 configuration. 
B)  The bonds between carbon and other atoms are ionic. 
C)  Carbon to carbon bonds are expected to be double bonds. 
D)  The bonds formed by carbon all use p orbitals. 
A)  The bonds are formed with carbon using an sp3 configuration. 
B)  The bonds between carbon and other atoms are ionic. 
C)  Carbon to carbon bonds are expected to be double bonds. 
D)  The bonds formed by carbon all use p orbitals.

Question 16

Which of the following formulas does not represent an organic compound?

Accepted Answer

A)  CH4 
B)  CH3CH2NH2 
C)  CH3CH3CH3 
D)  All are organic compounds 
A)  CH4 
B)  CH3CH2NH2 
C)  CH3CH3CH3 
D)  All are organic compounds

Question 17

Inorganic compounds are never found in living systems.

Accepted Answer

A) True 
 B)False

Question 18

Alkanes react readily with _____ .

Accepted Answer

A)  sodium hydroxide 
B)  hydrochloric acid 
C)  sulfuric acid 
D)  none of the choices 
A)  sodium hydroxide 
B)  hydrochloric acid 
C)  sulfuric acid 
D)  none of the choices

Question 19

Which statement is not correct? Functional groups are

Accepted Answer

A)  to organic chemistry as polyatomic ions are to inorganic chemistry. 
B)  the parts of molecules used to differentiate classifications of organic molecules. 
C)  are chemically bound to each other in order to develop larger molecules. 
D)  there is more than one correct response. 
A)  to organic chemistry as polyatomic ions are to inorganic chemistry. 
B)  the parts of molecules used to differentiate classifications of organic molecules. 
C)  are chemically bound to each other in order to develop larger molecules. 
D)  there is more than one correct response.

Question 20

The boiling point for normal alkanes will increase as the number of carbons increases.

Accepted Answer

A) True 
 B)False

Exam 11: Organic Compounds: Alkanes

Since all alkanes are saturated hydrocarbons,all of the carbon atoms are aligned in one continuous chain.

How many hydrogen atoms are needed to complete the following structure? C=C-N-C

Three physical properties shown below beside different alkane series.Which of the series is(are)listed in the order of increase (lowest to highest)for the corresponding property?

Isomers differ from each other in the number of neutrons present in each.

Which of the following structural formulas represents an normal (unbranched)alkane?

The following two structures would be classified as what?

Which of the following formulas represents a saturated hydrocarbon?

The name for the following structure will end with ____.

What is a characteristic shared by the alkanes?

Isomers have identical physical and chemical properties.

Isomers always have the same molecular formula.

The following compound would be named ____-1,2-dimethylcyclopropane.

When the following hydrocarbon reacts with an excess of oxygen gas,the balanced equation would contain how many moles of water?

Most organic compounds contain ionic bonds.

Which applies to the manner in which carbon bonds in alkanes?

Which of the following formulas does not represent an organic compound?

Inorganic compounds are never found in living systems.

Alkanes react readily with _____ .

Which statement is not correct? Functional groups are

The boiling point for normal alkanes will increase as the number of carbons increases.

Matter, measurements, and Calculations

Atoms and Molecules

Electronic Structure and the Periodic Law

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids,bases,and Salts

Radioactivity and Nuclear Processes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters