Question 1

In a trans alkene, the groups are on the same side of the double bond.

Accepted Answer

A) True 
 B)False

Question 2

What is the IUPAC name for the following compound?

Accepted Answer

A) 3-methyl-4-pentene 
B) 4-methyl-3-pentene 
C) 2-methyl-2-pentene 
D) 2-methyl-3-pentene 
E) hexene 
A) 3-methyl-4-pentene 
B) 4-methyl-3-pentene 
C) 2-methyl-2-pentene 
D) 2-methyl-3-pentene 
E) hexene

Question 3

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

Accepted Answer

A) methane 
B) ethane 
C) propane 
D) butane 
E) pentane 
A) methane 
B) ethane 
C) propane 
D) butane 
E) pentane

Question 4

Which of the following compounds is an alkyne?

Accepted Answer

A) CH₃-CH2-CH₃ 
B) C3H6 
C) CH₃-CH2-C ≡ CH 
D) H2C = CH-CH = CH2 
E) 2-pentene 
A) CH₃-CH2-CH₃ 
B) C3H6 
C) CH₃-CH2-C ≡ CH 
D) H2C = CH-CH = CH2 
E) 2-pentene

Question 5

Which of the following pairs of compounds are structural isomers?

Accepted Answer

A)  
  
B) ClCH2CH2CH2CH₃ And CH₃CH2CH2CH2Cl 
C) 
  
D) 
  
E)    
A)  
  
B) ClCH2CH2CH2CH₃ And CH₃CH2CH2CH2Cl 
C) 
  
D) 
  
E)

Question 6

Organic compounds are always highly water soluble.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 °C, and boils at 157 °C?

Accepted Answer

A) Nonane is soluble in water. 
B) Nonane is a gas at room temperature. 
C) Nonane is a solid at room temperature. 
D) Nonane does not undergo combustion. 
E) Nonane floats on the surface of water. 
A) Nonane is soluble in water. 
B) Nonane is a gas at room temperature. 
C) Nonane is a solid at room temperature. 
D) Nonane does not undergo combustion. 
E) Nonane floats on the surface of water.

Question 8

The hydrogenation of an alkene gives a(n)

Accepted Answer

A) alkane. 
B) alkene. 
C) alkyne. 
D) benzene. 
E) isomer. 
A) alkane. 
B) alkene. 
C) alkyne. 
D) benzene. 
E) isomer.

Question 9

The bond angles in a tetrahedral molecule are 90°.

Accepted Answer

A) True 
 B)False

Question 10

The compound 1-butyne contains

Accepted Answer

A) all single bonds. 
B) a double bond. 
C) a triple bond. 
D) a ring structure. 
E) a bromine atom. 
A) all single bonds. 
B) a double bond. 
C) a triple bond. 
D) a ring structure. 
E) a bromine atom.

Question 11

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 12

Hydrogenation is used to convert alkenes to alkanes.

Accepted Answer

A) True 
 B)False

Question 13

Nylon, polyester, and most other plastics are carbon compounds.

Accepted Answer

A) True 
 B)False

Question 14

Alkynes can show cis-trans isomerism.

Accepted Answer

A) True 
 B)False

Question 15

An unsaturated compound always

Accepted Answer

A) is a cycloalkane. 
B) contains a double bond. 
C) contains a triple bond. 
D) contains at least one double or triple bond. 
E) is aromatic. 
A) is a cycloalkane. 
B) contains a double bond. 
C) contains a triple bond. 
D) contains at least one double or triple bond. 
E) is aromatic.

Question 16

What is the condensed structural formula for an alkane with four carbon atoms?

Accepted Answer

A) CH₃-CH=CH-CH₃ 
B) CH₃-CH2-CH2-CH₃ 
C) C₄H10 
D) C - C - C - C 
E)    
A) CH₃-CH=CH-CH₃ 
B) CH₃-CH2-CH2-CH₃ 
C) C₄H10 
D) C - C - C - C 
E)

Question 17

What is the IUPAC name of this alkane?

Accepted Answer

A) 4-ethyl-2,2-dimethylpentane 
B) 2-ethyl-4,4-dimethylpentane 
C) 2,2,4-trimethylhexane 
D) 2-ethyl-2,2-dimethylpentane 
E) 3,5,5-trimethylhexane 
A) 4-ethyl-2,2-dimethylpentane 
B) 2-ethyl-4,4-dimethylpentane 
C) 2,2,4-trimethylhexane 
D) 2-ethyl-2,2-dimethylpentane 
E) 3,5,5-trimethylhexane

Question 18

An alkene is always a carbon compound that contains a ________ bond.

Accepted Answer

A) single 
B) double 
C) triple 
D) aromatic 
E) hydrogen 
A) single 
B) double 
C) triple 
D) aromatic 
E) hydrogen

Question 19

Which of the following compounds have cis-trans isomers?

Accepted Answer

A) CH2 = CH - CH₃ 
B) CCl₂= CBr2 
C) CH₃- CH = CH - CH₃ 
D) CCl₂= CHBr 
E) All of the above have cis-trans isomers. 
A) CH2 = CH - CH₃ 
B) CCl₂= CBr2 
C) CH₃- CH = CH - CH₃ 
D) CCl₂= CHBr 
E) All of the above have cis-trans isomers.

Question 20

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

Exam 12: Introduction to Organic Chemistry: Hydrocarbons

In a trans alkene, the groups are on the same side of the double bond.

What is the IUPAC name for the following compound?

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

Which of the following compounds is an alkyne?

Which of the following pairs of compounds are structural isomers?

Organic compounds are always highly water soluble.

Which of the following is true of nonane, C9H20, which has a density of 0.79 g/mL, melts at -51 °C, and boils at 157 °C?

The hydrogenation of an alkene gives a(n)

The bond angles in a tetrahedral molecule are 90°.

The compound 1-butyne contains

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)?

Hydrogenation is used to convert alkenes to alkanes.

Nylon, polyester, and most other plastics are carbon compounds.

Alkynes can show cis-trans isomerism.

An unsaturated compound always

What is the condensed structural formula for an alkane with four carbon atoms?

What is the IUPAC name of this alkane?

An alkene is always a carbon compound that contains a ________ bond.

Which of the following compounds have cis-trans isomers?

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

Chemistry in Our Lives

Chemistry and Measurements

Energy and Matter

Atoms

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

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