Question 1

In the three-dimensional structure of methane,   ,the hydrogen atoms attached to a carbon atom are aligned ________.

Accepted Answer

A) in a straight line 
B) at the corners of a square 
C) at the corners of a tetrahedron 
D) at the corners of a rectangle 
E) at the corners of a cube 
A) in a straight line 
B) at the corners of a square 
C) at the corners of a tetrahedron 
D) at the corners of a rectangle 
E) at the corners of a cube

Question 2

The reaction of hydrogen (   )and propene using a platinum catalyst is called ________.

Accepted Answer

A) combustion 
B) substitution 
C) addition 
D) neutralization 
E) condensation 
A) combustion 
B) substitution 
C) addition 
D) neutralization 
E) condensation

Question 3

A hydrocarbon contains only the elements ________.

Accepted Answer

A) hydrogen and oxygen 
B) carbon and oxygen 
C) carbon and hydrogen 
D) carbon,hydrogen,and oxygen 
E) carbon,hydrogen,and nitrogen 
A) hydrogen and oxygen 
B) carbon and oxygen 
C) carbon and hydrogen 
D) carbon,hydrogen,and oxygen 
E) carbon,hydrogen,and nitrogen

Question 4

Alkynes have at least one triple bond.

Accepted Answer

A) True 
 B)False

Question 5

In a condensed structural formula,each carbon atom is ________.

Accepted Answer

A) shown with all individual atoms and bonds drawn 
B) shown with only the other carbon atoms 
C) grouped with its bonded hydrogen atoms 
D) not explicitly shown 
E) written in lowercase letters 
A) shown with all individual atoms and bonds drawn 
B) shown with only the other carbon atoms 
C) grouped with its bonded hydrogen atoms 
D) not explicitly shown 
E) written in lowercase letters

Question 6

One essential building block of aspirin,ibuprofen,and acetaminophen is the benzene ring.

Accepted Answer

A) True 
 B)False

Question 7

Propylene is used to induce ripening in fruits.

Accepted Answer

A) True 
 B)False

Question 8

What is the condensed structural formula for the compound 3-hexene?

Accepted Answer

A)          H-     
B)      CH         
C)      -CH   CH     
D)        -CH   CH-   
E)    -CH   CH       
A)          H-     
B)      CH         
C)      -CH   CH     
D)        -CH   CH-   
E)    -CH   CH

Question 9

When naming an alkane,the main chain is the longest continuous carbon chain regardless of bends.

Accepted Answer

A) True 
 B)False

Question 10

An organic compound composed of carbon and hydrogen connected only by single bonds is an ________.

Accepted Answer

A) alkane 
B) alkene 
C) alkyne 
D) aromatic compound 
E) alcohol 
A) alkane 
B) alkene 
C) alkyne 
D) aromatic compound 
E) alcohol

Question 11

A hydrocarbon with a double bond is a(n)________.

Accepted Answer

A) alkane 
B) alkene 
C) alkyne 
D) alcohol 
E) saturated compound 
A) alkane 
B) alkene 
C) alkyne 
D) alcohol 
E) saturated compound

Question 12

What is the IUPAC name of the compound shown below?

Accepted Answer

A) 3-hexene 
B) 3-hexyne 
C) trans-3-hexene 
D) cis-2-hexene 
E) cis-3-hexene 
A) 3-hexene 
B) 3-hexyne 
C) trans-3-hexene 
D) cis-2-hexene 
E) cis-3-hexene

Question 13

When naming an alkene,the parent chain is the longest carbon chain ________.

Accepted Answer

A) that does not contain the double bond 
B) regardless of whether or not it contains the double bond 
C) that contains at least one of the carbon atoms of the double bond 
D) that contains both atoms of the double bond 
E) that contains a branch 
A) that does not contain the double bond 
B) regardless of whether or not it contains the double bond 
C) that contains at least one of the carbon atoms of the double bond 
D) that contains both atoms of the double bond 
E) that contains a branch

Question 14

Light-induced cis-trans isomerization is an important step in vision.

Accepted Answer

A) True 
 B)False

Question 15

What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?

Accepted Answer

A)    -CH = CH-   
B) Cl   -   -   H-   
C)    -   -   -   
D)      -   H-   
E) OH   -   H-   
A)    -CH = CH-   
B) Cl   -   -   H-   
C)    -   -   -   
D)      -   H-   
E) OH   -   H-

Question 16

Most medicines are organic molecules.

Accepted Answer

A) True 
 B)False

Question 17

Insects communicate with chemicals called ________.

Accepted Answer

A) markers 
B) isomers 
C) signals 
D) pheromones 
E) scents 
A) markers 
B) isomers 
C) signals 
D) pheromones 
E) scents

Question 18

Which of the following is not typical of most hydrocarbons?

Accepted Answer

A) high melting point 
B) poor solubility in water 
C) low boiling point 
D) covalent bonding 
E) high flammability 
A) high melting point 
B) poor solubility in water 
C) low boiling point 
D) covalent bonding 
E) high flammability

Question 19

Which of the following compounds is an alkene?

Accepted Answer

A)        
B) pentyne 
C)      -C   CH 
D)    C   CH-   
E) cyclopentane 
A)        
B) pentyne 
C)      -C   CH 
D)    C   CH-   
E) cyclopentane

Question 20

Which of the following is true of nonane,     ,which has a density of 0.79 g/mL,melts at -51 °C,and boils at 151 °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.

In the three-dimensional structure of methane, ,the hydrogen atoms attached to a carbon atom are aligned ________.

The reaction of hydrogen ( )and propene using a platinum catalyst is called ________.

A hydrocarbon contains only the elements ________.

Alkynes have at least one triple bond.

In a condensed structural formula,each carbon atom is ________.

One essential building block of aspirin,ibuprofen,and acetaminophen is the benzene ring.

Propylene is used to induce ripening in fruits.

What is the condensed structural formula for the compound 3-hexene?

When naming an alkane,the main chain is the longest continuous carbon chain regardless of bends.

An organic compound composed of carbon and hydrogen connected only by single bonds is an ________.

A hydrocarbon with a double bond is a(n)________.

What is the IUPAC name of the compound shown below?

When naming an alkene,the parent chain is the longest carbon chain ________.

Light-induced cis-trans isomerization is an important step in vision.

What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?

Most medicines are organic molecules.

Insects communicate with chemicals called ________.

Which of the following is not typical of most hydrocarbons?

Which of the following compounds is an alkene?

Which of the following is true of nonane, ,which has a density of 0.79 g/mL,melts at -51 °C,and boils at 151 °C?

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Exam 11: Introduction to Organic Chemistry: Hydrocarbons

In the three-dimensional structure of methane, ,the hydrogen atoms attached to a carbon atom are aligned ________.

The reaction of hydrogen ( )and propene using a platinum catalyst is called ________.

A hydrocarbon contains only the elements ________.

Alkynes have at least one triple bond.

In a condensed structural formula,each carbon atom is ________.

One essential building block of aspirin,ibuprofen,and acetaminophen is the benzene ring.

Propylene is used to induce ripening in fruits.

What is the condensed structural formula for the compound 3-hexene?

When naming an alkane,the main chain is the longest continuous carbon chain regardless of bends.

An organic compound composed of carbon and hydrogen connected only by single bonds is an ________.

A hydrocarbon with a double bond is a(n)________.

What is the IUPAC name of the compound shown below?

When naming an alkene,the parent chain is the longest carbon chain ________.

Light-induced cis-trans isomerization is an important step in vision.

What is the condensed structural formula for the product of the hydrogenation of 2-butene using a platinum catalyst?

Most medicines are organic molecules.

Insects communicate with chemicals called ________.

Which of the following is not typical of most hydrocarbons?

Which of the following compounds is an alkene?

Which of the following is true of nonane, ,which has a density of 0.79 g/mL,melts at -51 °C,and boils at 151 °C?

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Alcohols, thiols, ethers, aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, esters, amines, and Amides

Lipids

Amino Acids, proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Metabolic Pathways and Energy Production

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