Question 1

The presence of a COOH group is characteristic of an

Accepted Answer

A) alkane. 
B) organic acid. 
C) aldehyde. 
D) ester. 
A) alkane. 
B) organic acid. 
C) aldehyde. 
D) ester. B

Question 2

A double bond between two carbon atoms involves the sharing of a total of

Accepted Answer

A) 2 electrons. 
B) 4 electrons. 
C) 8 electrons. 
D) Any of these choices could be correct, depending on the molecule. 
A) 2 electrons. 
B) 4 electrons. 
C) 8 electrons. 
D) Any of these choices could be correct, depending on the molecule. B

Question 3

The alkanes in petroleum can be partly separated by

Accepted Answer

A) fractional distillation. 
B) polymerization. 
C) cracking. 
D) reaction with hydrogen. 
A) fractional distillation. 
B) polymerization. 
C) cracking. 
D) reaction with hydrogen. A

Question 4

Muscles consist mainly of

Accepted Answer

A) carbohydrates. 
B) proteins. 
C) lipids. 
D) nucleic acids. 
A) carbohydrates. 
B) proteins. 
C) lipids. 
D) nucleic acids.

Question 5

Which of these statements about benzene rings is not true?

Accepted Answer

A) They occur only in benzene molecules. 
B) All the carbon-carbon bonds in a ring are the same. 
C) Each ring has six electrons shared by all the carbon atoms in the ring. 
D) They can occur in groups of two or more with two atoms shared by each pair of adjacent rings. 
A) They occur only in benzene molecules. 
B) All the carbon-carbon bonds in a ring are the same. 
C) Each ring has six electrons shared by all the carbon atoms in the ring. 
D) They can occur in groups of two or more with two atoms shared by each pair of adjacent rings.

Question 6

Hydrocarbon molecules with double or triple carbon-carbon bonds are

Accepted Answer

A) relatively reactive. 
B) relatively inactive. 
C) extremely dense. 
D) saturated. 
A) relatively reactive. 
B) relatively inactive. 
C) extremely dense. 
D) saturated.

Question 7

A long chain of identical simple molecules linked together is called a(n)

Accepted Answer

A) monomer. 
B) polymer. 
C) isomer. 
D) elastomer. 
A) monomer. 
B) polymer. 
C) isomer. 
D) elastomer.

Question 8

Which of the following is not a carbohydrate?

Accepted Answer

A) cellulose 
B) starch 
C) DNA 
D) glycogen 
A) cellulose 
B) starch 
C) DNA 
D) glycogen

Question 9

The average efficiency of photosynthesis in utilizing solar energy is

Accepted Answer

A) 1 percent. 
B) 20 percent. 
C) 50 percent. 
D) 90 percent. 
A) 1 percent. 
B) 20 percent. 
C) 50 percent. 
D) 90 percent.

Question 10

The number of carbon atoms in a benzene ring is

Accepted Answer

A) 4. 
B) 5. 
C) 6. 
D) 8. 
A) 4. 
B) 5. 
C) 6. 
D) 8.

Question 11

Compared with inorganic compounds in general, most organic compounds

Accepted Answer

A) are more readily soluble in water. 
B) are more easily decomposed by heat. 
C) react more rapidly. 
D) form ions more readily in solution. 
A) are more readily soluble in water. 
B) are more easily decomposed by heat. 
C) react more rapidly. 
D) form ions more readily in solution.

Question 12

An atomic orbital that is a mixture of s and p orbitals is called

Accepted Answer

A) an unsaturated orbital. 
B) a saturated orbital. 
C) a hybrid orbital. 
D) an isomeric orbital. 
A) an unsaturated orbital. 
B) a saturated orbital. 
C) a hybrid orbital. 
D) an isomeric orbital.

Question 13

The maximum number of covalent bonds possible between two carbon atoms in an organic molecule is

Accepted Answer

A) 1. 
B) 2. 
C) 3. 
D) 4. 
A) 1. 
B) 2. 
C) 3. 
D) 4.

Question 14

The oxidation of glucose does not yield

Accepted Answer

A) water. 
B) oxygen. 
C) carbon dioxide. 
D) energy. 
A) water. 
B) oxygen. 
C) carbon dioxide. 
D) energy.

Question 15

Compared with their carbohydrate content, living cells contain

Accepted Answer

A) less protein. 
B) about the same amount of protein. 
C) more protein. 
D) Any of these choices could be correct, depending on the type of cell. 
A) less protein. 
B) about the same amount of protein. 
C) more protein. 
D) Any of these choices could be correct, depending on the type of cell.

Question 16

Cellulose is a

Accepted Answer

A) carbohydrate. 
B) protein. 
C) lipid. 
D) nucleic acid. 
A) carbohydrate. 
B) protein. 
C) lipid. 
D) nucleic acid.

Question 17

In photosynthesis, chlorophyll acts

Accepted Answer

A) to shield the reacting molecules from sunlight. 
B) to extract oxygen from the atmosphere. 
C) to prevent water from evaporating. 
D) to both catalyze and provide energy to the process. 
A) to shield the reacting molecules from sunlight. 
B) to extract oxygen from the atmosphere. 
C) to prevent water from evaporating. 
D) to both catalyze and provide energy to the process.

Question 18

Animal cells do not contain

Accepted Answer

A) glycogen. 
B) starch. 
C) proteins. 
D) lipids. 
A) glycogen. 
B) starch. 
C) proteins. 
D) lipids.

Question 19

Nylon is an example of

Accepted Answer

A) a monomer. 
B) a polymer. 
C) an isomer. 
D) an elastomer. 
A) a monomer. 
B) a polymer. 
C) an isomer. 
D) an elastomer.

Question 20

The structural elements of a polyester such as Dacron

Accepted Answer

A) are glass fibers. 
B) are esters. 
C) have ester linkages between them. 
D) are arranged in rings. 
A) are glass fibers. 
B) are esters. 
C) have ester linkages between them. 
D) are arranged in rings.

The presence of a COOH group is characteristic of an

A double bond between two carbon atoms involves the sharing of a total of

The alkanes in petroleum can be partly separated by

Muscles consist mainly of

Which of these statements about benzene rings is not true?

Hydrocarbon molecules with double or triple carbon-carbon bonds are

A long chain of identical simple molecules linked together is called a(n)

Which of the following is not a carbohydrate?

The average efficiency of photosynthesis in utilizing solar energy is

The number of carbon atoms in a benzene ring is

Compared with inorganic compounds in general, most organic compounds

An atomic orbital that is a mixture of s and p orbitals is called

The maximum number of covalent bonds possible between two carbon atoms in an organic molecule is

The oxidation of glucose does not yield

Compared with their carbohydrate content, living cells contain

Cellulose is a

In photosynthesis, chlorophyll acts

Animal cells do not contain

Nylon is an example of

The structural elements of a polyester such as Dacron

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe

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Exam 13: Organic Chemistry

The presence of a COOH group is characteristic of an

A double bond between two carbon atoms involves the sharing of a total of

The alkanes in petroleum can be partly separated by

Muscles consist mainly of

Which of these statements about benzene rings is not true?

Hydrocarbon molecules with double or triple carbon-carbon bonds are

A long chain of identical simple molecules linked together is called a(n)

Which of the following is not a carbohydrate?

The average efficiency of photosynthesis in utilizing solar energy is

The number of carbon atoms in a benzene ring is

Compared with inorganic compounds in general, most organic compounds

An atomic orbital that is a mixture of s and p orbitals is called

The maximum number of covalent bonds possible between two carbon atoms in an organic molecule is

The oxidation of glucose does not yield

Compared with their carbohydrate content, living cells contain

Cellulose is a

In photosynthesis, chlorophyll acts

Animal cells do not contain

Nylon is an example of

The structural elements of a polyester such as Dacron

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Solar System

The Stars

The Universe

Filters