Question 1

Which statement about organic molecules is FALSE?

Accepted Answer

A)  Most medications are organic compounds. 
B)  Organic compounds contain carbon and hydrogen atoms. 
C)  Many organic compounds contain heteroatoms. 
D)  Organic compounds can only be produced by living organisms. 
E)  Lipids, nucleic acids, carbohydrates, and proteins are organic compounds. 
A)  Most medications are organic compounds. 
B)  Organic compounds contain carbon and hydrogen atoms. 
C)  Many organic compounds contain heteroatoms. 
D)  Organic compounds can only be produced by living organisms. 
E)  Lipids, nucleic acids, carbohydrates, and proteins are organic compounds.

Question 2

Which skeletal line structure is the same molecule as the ball-and-stick model below?

Accepted Answer

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

Question 3

Which pair(s)of molecules below are neither isomers nor conformers?

Accepted Answer

A)  pair 1 
B)  pair 2 
C)  pair 3 
D)  pair 4 
E)  These are all either isomers or conformers. 
A)  pair 1 
B)  pair 2 
C)  pair 3 
D)  pair 4 
E)  These are all either isomers or conformers.

Question 4

When naming in the IUPAC system, the parent chain has which of the following characteristics? I.It is the part of the structure that is written horizontally.
II)It is the longest continuous chain.
III)It contains any double or triple bonds in the structure.

Accepted Answer

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

Question 5

Which of the following skeletal line structures represent the same molecule?

Accepted Answer

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

Question 6

A compound with the molecular formula CnH2n+2 is called a(n)______or a ______.

Accepted Answer

A)  alkane; saturated hydrocarbon 
B)  alkane; unsaturated hydrocarbon 
C)  alkene; saturated hydrocarbon 
D)  alkene; unsaturated hydrocarbon 
E)  alkene; alkyne 
A)  alkane; saturated hydrocarbon 
B)  alkane; unsaturated hydrocarbon 
C)  alkene; saturated hydrocarbon 
D)  alkene; unsaturated hydrocarbon 
E)  alkene; alkyne

Question 7

Organic chemistry is the study of compounds that

Accepted Answer

A)  are biologically important. 
B)  contain oxygen. 
C)  make up living things. 
D)  are not harmful to the environment. 
E)  contain carbon. 
A)  are biologically important. 
B)  contain oxygen. 
C)  make up living things. 
D)  are not harmful to the environment. 
E)  contain carbon.

Question 8

Which compound is an inorganic compound?

Accepted Answer

A)  CH4O 
B)  CH4 
C)  CO2 
D)  NH3 
E)  CH2O 
A)  CH4O 
B)  CH4 
C)  CO2 
D)  NH3 
E)  CH2O

Question 9

Which statement BEST describes the solubility of hydrocarbons?

Accepted Answer

A)  Hydrocarbons are miscible in water and therefore hydrophobic. 
B)  Hydrocarbons are immiscible in water and therefore hydrophobic. 
C)  Hydrocarbons are miscible in water and therefore hydrophilic. 
D)  Hydrocarbons do not dissolve in any solvent. 
E)  It is not possible to generalize the solubility of hydrocarbons. 
A)  Hydrocarbons are miscible in water and therefore hydrophobic. 
B)  Hydrocarbons are immiscible in water and therefore hydrophobic. 
C)  Hydrocarbons are miscible in water and therefore hydrophilic. 
D)  Hydrocarbons do not dissolve in any solvent. 
E)  It is not possible to generalize the solubility of hydrocarbons.

Question 10

What is the IUPAC name of this hydrocarbon?

Accepted Answer

A)  5-methylheptane 
B)  3-methylheptane 
C)  2-ethylhexane 
D)  5-ethylhexane 
E)  1-ethyl-1-methyl-2-butane 
A)  5-methylheptane 
B)  3-methylheptane 
C)  2-ethylhexane 
D)  5-ethylhexane 
E)  1-ethyl-1-methyl-2-butane

Question 11

Which molecule is represented by the IUPAC name 1,4-diethylbenzene?

Accepted Answer

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

Question 12

What is the parent chain name of the hydrocarbon below?

Accepted Answer

A)  butane 
B)  hexane 
C)  methane 
D)  ethane 
E)  heptane 
A)  butane 
B)  hexane 
C)  methane 
D)  ethane 
E)  heptane

Question 13

Which of the following hydrocarbons are branched and which are straight chains?

Accepted Answer

A)  All of these hydrocarbons are branched. 
B)  All of these hydrocarbons are branched except II. 
C)  All of these hydrocarbons are straight chains except III. 
D)  I and III are branched, and II and IV are straight chains. 
E)  II, III, and IV are straight chains and I is branched. 
A)  All of these hydrocarbons are branched. 
B)  All of these hydrocarbons are branched except II. 
C)  All of these hydrocarbons are straight chains except III. 
D)  I and III are branched, and II and IV are straight chains. 
E)  II, III, and IV are straight chains and I is branched.

Question 14

Which of the following compounds is a saturated hydrocarbon?

Accepted Answer

A)  I only 
B)  I and II 
C)  IV only 
D)  III and IV 
E)  All of these are saturated hydrocarbons. 
A)  I only 
B)  I and II 
C)  IV only 
D)  III and IV 
E)  All of these are saturated hydrocarbons.

Question 15

A molecule has the molecular formula C5H10.This molecule could be a(n)______ or a(n)_____.

Accepted Answer

A)  alkane; alkyne 
B)  alkane; cycloalkane 
C)  alkene; alkyne 
D)  alkene; cycloalkane 
E)  alkene; alkane 
A)  alkane; alkyne 
B)  alkane; cycloalkane 
C)  alkene; alkyne 
D)  alkene; cycloalkane 
E)  alkene; alkane

Question 16

What is the name of the parent chain of the hydrocarbon below?

Accepted Answer

A)  butene 
B)  hexane 
C)  hexene 
D)  heptane 
E)  heptene 
A)  butene 
B)  hexane 
C)  hexene 
D)  heptane 
E)  heptene

Question 17

What is the molecular formula of hexane?

Accepted Answer

A)  C2H6 
B)  C3H8 
C)  C4H10 
D)  C5H12 
E)  C6H14 
A)  C2H6 
B)  C3H8 
C)  C4H10 
D)  C5H12 
E)  C6H14

Question 18

Which carbon is the branching carbon in the following molecule?

Accepted Answer

A)  carbon a 
B)  carbon b 
C)  carbon c 
D)  carbon d 
E)  carbon e 
A)  carbon a 
B)  carbon b 
C)  carbon c 
D)  carbon d 
E)  carbon e

Question 19

What is the IUPAC name of the following hydrocarbon?

Accepted Answer

A)  propane 
B)  butane 
C)  pentane 
D)  1-butene 
E)  1-pentene 
A)  propane 
B)  butane 
C)  pentane 
D)  1-butene 
E)  1-pentene

Question 20

Which pair of compounds are geometric isomers?

Accepted Answer

A)    
B)  HC≡CCH3  CH3C≡CH 
C)    
D)    
E)    
A)    
B)  HC≡CCH3  CH3C≡CH 
C)    
D)    
E)

Which statement about organic molecules is FALSE?

Which skeletal line structure is the same molecule as the ball-and-stick model below?

Which pair(s)of molecules below are neither isomers nor conformers?

When naming in the IUPAC system, the parent chain has which of the following characteristics? I.It is the part of the structure that is written horizontally. II)It is the longest continuous chain. III)It contains any double or triple bonds in the structure.

Which of the following skeletal line structures represent the same molecule?

A compound with the molecular formula C_nH₂_n₊₂ is called a(n)or a .

Organic chemistry is the study of compounds that

Which compound is an inorganic compound?

Which statement BEST describes the solubility of hydrocarbons?

What is the IUPAC name of this hydrocarbon?

Which molecule is represented by the IUPAC name 1,4-diethylbenzene?

What is the parent chain name of the hydrocarbon below?

Which of the following hydrocarbons are branched and which are straight chains?

Which of the following compounds is a saturated hydrocarbon?

A molecule has the molecular formula C₅H₁₀.This molecule could be a(n)__ or a(n)_.

What is the name of the parent chain of the hydrocarbon below?

What is the molecular formula of hexane?

Which carbon is the branching carbon in the following molecule?

What is the IUPAC name of the following hydrocarbon?

Which pair of compounds are geometric isomers?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 10: Introduction to Organic Chemistry:

Which statement about organic molecules is FALSE?

Which skeletal line structure is the same molecule as the ball-and-stick model below?

Which pair(s)of molecules below are neither isomers nor conformers?

When naming in the IUPAC system, the parent chain has which of the following characteristics? I.It is the part of the structure that is written horizontally. II)It is the longest continuous chain. III)It contains any double or triple bonds in the structure.

Which of the following skeletal line structures represent the same molecule?

A compound with the molecular formula CnH2n+2 is called a(n)______or a ______.

Organic chemistry is the study of compounds that

Which compound is an inorganic compound?

Which statement BEST describes the solubility of hydrocarbons?

What is the IUPAC name of this hydrocarbon?

Which molecule is represented by the IUPAC name 1,4-diethylbenzene?

What is the parent chain name of the hydrocarbon below?

Which of the following hydrocarbons are branched and which are straight chains?

Which of the following compounds is a saturated hydrocarbon?

A molecule has the molecular formula C5H10.This molecule could be a(n)______ or a(n)_____.

What is the name of the parent chain of the hydrocarbon below?

What is the molecular formula of hexane?

Which carbon is the branching carbon in the following molecule?

What is the IUPAC name of the following hydrocarbon?

Which pair of compounds are geometric isomers?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

A compound with the molecular formula C_nH₂_n₊₂ is called a(n)or a .

A molecule has the molecular formula C₅H₁₀.This molecule could be a(n)__ or a(n)_.