Question 1

The isomers of a compound have different

Accepted Answer

A) molecular compositions. 
B) molecular masses. 
C) structures. 
D) numbers of bonds between their atoms. 
A) molecular compositions. 
B) molecular masses. 
C) structures. 
D) numbers of bonds between their atoms.

Question 2

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.

Question 3

Each dash in the structural formula of an organic molecule represents a shared

Accepted Answer

A) electron. 
B) electron pair. 
C) ion pair. 
D) carbon atom. 
A) electron. 
B) electron pair. 
C) ion pair. 
D) carbon atom.

Question 4

The oxygen in the earth's atmosphere comes from

Accepted Answer

A) volcanoes. 
B) space. 
C) photosynthesis. 
D) the action of lightning on seawater. 
A) volcanoes. 
B) space. 
C) photosynthesis. 
D) the action of lightning on seawater.

Question 5

In comparison with organic compounds in general, most inorganic compounds

Accepted Answer

A) are less soluble in water. 
B) are more stable when heated. 
C) are more likely to contain carbon. 
D) react more slowly. 
A) are less soluble in water. 
B) are more stable when heated. 
C) are more likely to contain carbon. 
D) react more slowly.

Question 6

A double helix structure is characteristic of

Accepted Answer

A) DNA. 
B) proteins. 
C) carbohydrates. 
D) lipids. 
A) DNA. 
B) proteins. 
C) carbohydrates. 
D) lipids.

Question 7

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 8

Amino acids are the basic units of

Accepted Answer

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

Question 9

Nitrogen is needed by plants mainly to manufacture

Accepted Answer

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

Question 10

The unique properties of Teflon, which is composed of carbon and fluorine, arise from the strength of

Accepted Answer

A) C-C bonds. 
B) F-F bonds. 
C) C-F bonds. 
D) rings of F atoms. 
A) C-C bonds. 
B) F-F bonds. 
C) C-F bonds. 
D) rings of F atoms.

Question 11

The number of electrons shared among the carbon atoms in a benzene ring is

Accepted Answer

A) 1. 
B) 2. 
C) 6. 
D) 12. 
A) 1. 
B) 2. 
C) 6. 
D) 12.

Question 12

The mass of fat needed to provide an animal with as much energy as 1 g of carbohydrate is about

Accepted Answer

A) 0.5 g. 
B) 1 g. 
C) 2 g. 
D) 4 g. 
A) 0.5 g. 
B) 1 g. 
C) 2 g. 
D) 4 g.

Question 13

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 14

Photosynthesis produces

Accepted Answer

A) carbohydrates. 
B) proteins. 
C) lipids. 
D) All of these choices are correct. 
A) carbohydrates. 
B) proteins. 
C) lipids. 
D) All of these choices are correct.

Question 15

Cellulose is a

Accepted Answer

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

Question 16

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 17

In organic chemistry, an aromatic compound

Accepted Answer

A) has a pronounced odor. 
B) consists only of alkane molecules. 
C) has benzene rings in its molecules. 
D) does not have benzene rings in its molecules. 
A) has a pronounced odor. 
B) consists only of alkane molecules. 
C) has benzene rings in its molecules. 
D) does not have benzene rings in its molecules.

Question 18

Alkane molecules

Accepted Answer

A) have only single carbon-carbon bonds. 
B) may have double carbon-carbon bonds. 
C) react readily with acids. 
D) react readily with bases. 
A) have only single carbon-carbon bonds. 
B) may have double carbon-carbon bonds. 
C) react readily with acids. 
D) react readily with bases.

Question 19

The structural elements of a polymer are called

Accepted Answer

A) isomers. 
B) elastomers. 
C) monomers. 
D) esters. 
A) isomers. 
B) elastomers. 
C) monomers. 
D) esters.

Question 20

Which of the following compounds cannot exist?

Accepted Answer

A) C2H2 
B) C2H3 
C) C2H4 
D) C4H8 
E) Both B and D 
A) C2H2 
B) C2H3 
C) C2H4 
D) C4H8 
E) Both B and D

The isomers of a compound have different

The alkanes in petroleum can be partly separated by

Each dash in the structural formula of an organic molecule represents a shared

The oxygen in the earth's atmosphere comes from

In comparison with organic compounds in general, most inorganic compounds

A double helix structure is characteristic of

The oxidation of glucose does not yield

Amino acids are the basic units of

Nitrogen is needed by plants mainly to manufacture

The unique properties of Teflon, which is composed of carbon and fluorine, arise from the strength of

The number of electrons shared among the carbon atoms in a benzene ring is

The mass of fat needed to provide an animal with as much energy as 1 g of carbohydrate is about

Nylon is an example of

Photosynthesis produces

Cellulose is a

Compared with their carbohydrate content, living cells contain

In organic chemistry, an aromatic compound

Alkane molecules

The structural elements of a polymer are called

Which of the following compounds cannot exist?

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

Universe

Filters

Exam 13: Organic Chemistry

The isomers of a compound have different

The alkanes in petroleum can be partly separated by

Each dash in the structural formula of an organic molecule represents a shared

The oxygen in the earth's atmosphere comes from

In comparison with organic compounds in general, most inorganic compounds

A double helix structure is characteristic of

The oxidation of glucose does not yield

Amino acids are the basic units of

Nitrogen is needed by plants mainly to manufacture

The unique properties of Teflon, which is composed of carbon and fluorine, arise from the strength of

The number of electrons shared among the carbon atoms in a benzene ring is

The mass of fat needed to provide an animal with as much energy as 1 g of carbohydrate is about

Nylon is an example of

Photosynthesis produces

Cellulose is a

Compared with their carbohydrate content, living cells contain

In organic chemistry, an aromatic compound

Alkane molecules

The structural elements of a polymer are called

Which of the following compounds cannot exist?

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

Universe

Filters