Question 1

Octane is a seven-carbon linear alkane.

Accepted Answer

A) True 
 B)False  False

Question 2

What is the name for a seven-carbon continuous-chain alkane?

Accepted Answer

A)  hexane 
B)  heptane 
C)  octane 
D)  nonane 
E)  decane 
A)  hexane 
B)  heptane 
C)  octane 
D)  nonane 
E)  decane B

Question 3

What is the IUPAC name for Cl-CH₂ -CH₂ - CH₂-Cl

Accepted Answer

A)  1,3-dichloropropane. 
B)  1,1-dichloropropane. 
C)  dichloropropane. 
D)  1,3-dichlorobutane. 
E)  propane dichloride. 
A)  1,3-dichloropropane. 
B)  1,1-dichloropropane. 
C)  dichloropropane. 
D)  1,3-dichlorobutane. 
E)  propane dichloride. A

Question 4

Most organic compounds are flammable.

Accepted Answer

A) True 
 B)False

Question 5

Solid alkanes are found on the surface of many fruits and vegetables.

Accepted Answer

A) True 
 B)False

Question 6

Amines contain the functional group -OH.

Accepted Answer

A) True 
 B)False

Question 7

Organic chemistry is the study of the chemistry of carbon compounds.

Accepted Answer

A) True 
 B)False

Question 8

The bond angles of tetravalent carbon are all approximately

Accepted Answer

A)  90° 
B)  109° 
C)  60° 
D)  100° 
E)  45° 
A)  90° 
B)  109° 
C)  60° 
D)  100° 
E)  45°

Question 9

How does a molecule of a vitamin synthesized in the laboratory behave when compared to the behavior of the same vitamin isolated from a natural source (e.g., vitamin C synthesized, compared to vitamin C from rose hips)?

Accepted Answer

A)  identical in every way 
B)  usually identical 
C)  Some effects are the same. 
D)  Few effects are the same. 
E)  The natural vitamin is better. 
A)  identical in every way 
B)  usually identical 
C)  Some effects are the same. 
D)  Few effects are the same. 
E)  The natural vitamin is better.

Question 10

A cycloalkane

Accepted Answer

A)  has two fewer carbon atoms than the corresponding alkane. 
B)  has two fewer hydrogen atoms than the corresponding alkane. 
C)  contains -CH3 groups joined by single bonds. 
D)  always contains a three carbon ring. 
E)  has no hydrogen atoms. 
A)  has two fewer carbon atoms than the corresponding alkane. 
B)  has two fewer hydrogen atoms than the corresponding alkane. 
C)  contains -CH3 groups joined by single bonds. 
D)  always contains a three carbon ring. 
E)  has no hydrogen atoms.

Question 11

Identify the functional group in the compound CH3CH₂CHO.

Accepted Answer

A)  amide 
B)  ketone 
C)  ester 
D)  secondary amine 
E)  aldehyde 
A)  amide 
B)  ketone 
C)  ester 
D)  secondary amine 
E)  aldehyde

Question 12

The functional group contained in the compound CH3CH₂SH is a(n)

Accepted Answer

A)  thiol. 
B)  carboxylic acid. 
C)  amine. 
D)  ester. 
E)  amide. 
A)  thiol. 
B)  carboxylic acid. 
C)  amine. 
D)  ester. 
E)  amide.

Question 13

According to the IUPAC convention, alkyl group names should be located __________ of the name of the main chain.

Accepted Answer

A)  in front 
B)  at the end 
C)  in the middle 
A)  in front 
B)  at the end 
C)  in the middle

Question 14

Generally, a solution of an organic compound in water will be electrically

Accepted Answer

A)  highly conductive. 
B)  highly ionized. 
C)  nonconductive. 
D)  insulated. 
E)  charged. 
A)  highly conductive. 
B)  highly ionized. 
C)  nonconductive. 
D)  insulated. 
E)  charged.

Question 15

What type of compound is CH3-CH₂- CH3?

Accepted Answer

A)  alkane 
B)  branched alkane 
C)  cycloalkane 
D)  haloalkane 
E)  isomer 
A)  alkane 
B)  branched alkane 
C)  cycloalkane 
D)  haloalkane 
E)  isomer

Question 16

What is the IUPAC name for 
 &emsp; CH3 
&emsp; ∣
CH3-CH₂-CH₂-CH- CH₂-CH3

Accepted Answer

A)  4-methylhexane. 
B)  3-methylhexane. 
C)  heptane. 
D)  methylhexane. 
E)  2-methylhexane. 
A)  4-methylhexane. 
B)  3-methylhexane. 
C)  heptane. 
D)  methylhexane. 
E)  2-methylhexane.

Question 17

Which of these formulas is the expanded structural formula for an alkane with three carbon atoms?

Accepted Answer

A)  C₃H6 
B)  C₃H₈ 
C)  CH3- CH₂- CH3 
D)  C - C - C 
E)    
A)  C₃H6 
B)  C₃H₈ 
C)  CH3- CH₂- CH3 
D)  C - C - C 
E)

Question 18

What is the name for a nine-carbon continuous-chain alkane?

Accepted Answer

A)  hexane 
B)  heptane 
C)  octane 
D)  nonane 
E)  decane 
A)  hexane 
B)  heptane 
C)  octane 
D)  nonane 
E)  decane

Question 19

A functional group is a certain group of atoms that

Accepted Answer

A)  increases water solubility. 
B)  reacts in a predictable way whenever present. 
C)  changes the color of the molecule whenever present. 
D)  always contains oxygen or nitrogen. 
E)  never contains a halogen. 
A)  increases water solubility. 
B)  reacts in a predictable way whenever present. 
C)  changes the color of the molecule whenever present. 
D)  always contains oxygen or nitrogen. 
E)  never contains a halogen.

Question 20

What is the name of this compound? 
CH3- CH₂- CH₂- CH₂- CH₂- CH₂-CH3

Accepted Answer

A)  hexane 
B)  heptane 
C)  octane 
D)  butane 
E)  pentane 
A)  hexane 
B)  heptane 
C)  octane 
D)  butane 
E)  pentane

Exam 11: Introduction to Organic Chemistry: Alkanes

Octane is a seven-carbon linear alkane.

What is the name for a seven-carbon continuous-chain alkane?

What is the IUPAC name for Cl-CH₂ -CH₂ - CH₂-Cl

Most organic compounds are flammable.

Solid alkanes are found on the surface of many fruits and vegetables.

Amines contain the functional group -OH.

Organic chemistry is the study of the chemistry of carbon compounds.

The bond angles of tetravalent carbon are all approximately

How does a molecule of a vitamin synthesized in the laboratory behave when compared to the behavior of the same vitamin isolated from a natural source (e.g., vitamin C synthesized, compared to vitamin C from rose hips)?

A cycloalkane

Identify the functional group in the compound CH3CH₂CHO.

The functional group contained in the compound CH3CH₂SH is a(n)

According to the IUPAC convention, alkyl group names should be located __________ of the name of the main chain.

Generally, a solution of an organic compound in water will be electrically

What type of compound is CH3-CH₂- CH3?

What is the IUPAC name for CH3 ∣ CH3-CH₂-CH₂-CH- CH₂-CH3

Which of these formulas is the expanded structural formula for an alkane with three carbon atoms?

What is the name for a nine-carbon continuous-chain alkane?

A functional group is a certain group of atoms that

What is the name of this compound? CH3- CH₂- CH₂- CH₂- CH₂- CH₂-CH3

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

Identify the functional group in the compound CH₃CH₂CHO.

The functional group contained in the compound CH₃CH₂SH is a(n)

What type of compound is CH₃-CH₂- CH₃?

What is the IUPAC name for CH₃ ∣ CH₃-CH₂-CH₂-CH- CH₂-CH₃

What is the name of this compound? CH₃- CH₂- CH₂- CH₂- CH₂- CH₂-CH₃