Question 1

What is one thing that all monomers of addition polymers have in common?

Accepted Answer

A) The monomer has to have at least one double bond. 
B) The monomer has to have at least two functional groups (though they can be the same). 
C) The monomer has to have at least two functional groups (though they must be the different). 
D) The monomer has to be very small. 
E) The monomer has to have a number of polymer components. 
A) The monomer has to have at least one double bond. 
B) The monomer has to have at least two functional groups (though they can be the same). 
C) The monomer has to have at least two functional groups (though they must be the different). 
D) The monomer has to be very small. 
E) The monomer has to have a number of polymer components.

Question 2

What would the formula be for the following stick model?

Accepted Answer

A) C6H12 
B) C5H5 
C) C6H10 
D) C5H10 
E) none of the above 
A) C6H12 
B) C5H5 
C) C6H10 
D) C5H10 
E) none of the above

Question 3

Which of the following is an aromatic molecule?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) all of the above 
A) a 
B) b 
C) c 
D) d 
E) all of the above

Question 4

Which of the following statements best describes the concept of structural conformation?

Accepted Answer

A) rearranging the shape of a molecule by rotating around bonds 
B) rearranging the shape of a molecule by changing the arrangement of bonds 
C) changing the structure by adding or subtracting bonds 
D) arranging the atom into the best conformation for the given structure 
E) changing the conformation to generate a new molecule with different chemical properties 
A) rearranging the shape of a molecule by rotating around bonds 
B) rearranging the shape of a molecule by changing the arrangement of bonds 
C) changing the structure by adding or subtracting bonds 
D) arranging the atom into the best conformation for the given structure 
E) changing the conformation to generate a new molecule with different chemical properties

Question 5

A common inactive ingredient in products such as sunscreen lotions and shampoo is triethyl amine,also known as TEA.Which of the following is the chemical structure for this compound?         (a)(b)(c)(d)

Accepted Answer

A) a 
B) b 
C) c 
D) d 
A) a 
B) b 
C) c 
D) d

Question 6

Which of the following molecules could be a structural isomer for the underlined molecule below?

Accepted Answer

A) a 
B) b 
C) c 
D) all of the above 
E) none of the above 
A) a 
B) b 
C) c 
D) all of the above 
E) none of the above

Question 7

In a fractionating tower,the crude oil vapors pass from a pipe still into the column.Tar and lubricating stock are the first components to be pulled off at the bottom.Nearer the top kerosene is pulled off followed by gasoline and finally natural gas at the very top.From this information,which has a higher boiling point,gasoline or kerosine?

Accepted Answer

A) Gasoline has the higher boiling point. 
B) Kerosene has the higher boiling point. 
C) Their boiling points are the same,but kerosene has the greater density. 
D) Fractional distillation components are pulled off based on molecular weight,so it is not possible to know which has the higher boiling point from the information given. 
A) Gasoline has the higher boiling point. 
B) Kerosene has the higher boiling point. 
C) Their boiling points are the same,but kerosene has the greater density. 
D) Fractional distillation components are pulled off based on molecular weight,so it is not possible to know which has the higher boiling point from the information given.

Question 8

Which of the following ethers has the highest boiling point?

Accepted Answer

A) CH3OCH3 
B) CH3CH2OCH2CH3 
C) CH3CH2CH2OCH2CH2CH3 
D) CH3CH2CH2CH2OCH2CH2CH2CH3 
A) CH3OCH3 
B) CH3CH2OCH2CH3 
C) CH3CH2CH2OCH2CH2CH3 
D) CH3CH2CH2CH2OCH2CH2CH2CH3

Question 9

The following picture shows an organic molecule:   Which region (a-b-c)is a phenolic functional group?

Accepted Answer

A) a 
B) b 
C) c 
D) b or c 
E) b and c 
A) a 
B) b 
C) c 
D) b or c 
E) b and c

Question 10

-Which of the above molecules contains a carbonyl group?

Accepted Answer

A) a 
B) all but a 
C) all but b 
D) c 
E) all but d 
A) a 
B) all but a 
C) all but b 
D) c 
E) all but d

Question 11

What determines the chemical and physical properties of hydrocarbons?

Accepted Answer

A) the way the atoms are connected together 
B) the number of carbon and hydrogens 
C) the elements it is composed of 
D) the number of oxygen 
E) both A and B 
A) the way the atoms are connected together 
B) the number of carbon and hydrogens 
C) the elements it is composed of 
D) the number of oxygen 
E) both A and B

Question 12

Carbon-carbon single bonds can rotate while carbon-carbon double bonds cannot rotate.How many different structures are shown below.

Accepted Answer

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

Question 13

Which would you expect to be more viscous,a polymer made of long molecular strands or one made of short molecular strands? Why?

Accepted Answer

A) short molecular strands because of a greater density 
B) long molecular strands because they tend to tangle among themselves 
C) short molecular strands because their ends are typically polar 
D) long molecular strands because of a greater molecular mass 
A) short molecular strands because of a greater density 
B) long molecular strands because they tend to tangle among themselves 
C) short molecular strands because their ends are typically polar 
D) long molecular strands because of a greater molecular mass

Question 14

If champagne has a proof of 28,how many milliliters of alcohol are in 250 mL of champagne?

Accepted Answer

A) 35 
B) 38 
C) 28 
D) 3.8 
E) 200 
A) 35 
B) 38 
C) 28 
D) 3.8 
E) 200

Question 15

Which of the following stick structures could describe pentane (C5H12)?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) none of the above 
A) a 
B) b 
C) c 
D) d 
E) none of the above

Question 16

-Which of the above sections of this molecule would be considered a saturated portion of the molecule?

Accepted Answer

A) a 
B) b 
C) c 
D) a and b 
E) all of the above 
A) a 
B) b 
C) c 
D) a and b 
E) all of the above

Question 17

What is a hydrocarbon?

Accepted Answer

A) It is a molecule composed of carbon and hydrogen only. 
B) It is a wet carbon atom. 
C) It is any organic molecule. 
D) It is a molecule derived from hydrogen synthesis. 
E) none of the above 
A) It is a molecule composed of carbon and hydrogen only. 
B) It is a wet carbon atom. 
C) It is any organic molecule. 
D) It is a molecule derived from hydrogen synthesis. 
E) none of the above

Question 18

Which of the following is the hallmark of a saturated hydrocarbon?

Accepted Answer

A) a hydrocarbon where carbon has only a single bond to two or more other carbons 
B) a hydrocarbon that is completely dissolved in water 
C) a hydrocarbon where carbon has multiple bonds to one or more other carbons 
D) any molecule that is completely dissolved in a hydrocarbon solvent 
E) none of the above 
A) a hydrocarbon where carbon has only a single bond to two or more other carbons 
B) a hydrocarbon that is completely dissolved in water 
C) a hydrocarbon where carbon has multiple bonds to one or more other carbons 
D) any molecule that is completely dissolved in a hydrocarbon solvent 
E) none of the above

Question 19

One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them.What would be some of the advantages and disadvantages of this practice?

Accepted Answer

A) disadvantage: toxic air pollutants; advantage: reduced landfill volume 
B) disadvantage: loss of vital petroleum-based resource; advantage: generation of electricity 
C) disadvantage: discourages recycling; advantage: provides new jobs 
D) all of the above 
A) disadvantage: toxic air pollutants; advantage: reduced landfill volume 
B) disadvantage: loss of vital petroleum-based resource; advantage: generation of electricity 
C) disadvantage: discourages recycling; advantage: provides new jobs 
D) all of the above

Question 20

-Which of the above sections of this molecule would be considered to be the aromatic portion of the molecule?

Accepted Answer

A) a 
B) b 
C) c 
D) a and b 
E) all of the above 
A) a 
B) b 
C) c 
D) a and b 
E) all of the above

Exam 19: Organic Compounds

What is one thing that all monomers of addition polymers have in common?

What would the formula be for the following stick model?

Which of the following is an aromatic molecule?

Which of the following statements best describes the concept of structural conformation?

A common inactive ingredient in products such as sunscreen lotions and shampoo is triethyl amine,also known as TEA.Which of the following is the chemical structure for this compound? (a)(b)(c)(d)

Which of the following molecules could be a structural isomer for the underlined molecule below?

Which of the following ethers has the highest boiling point?

The following picture shows an organic molecule: Which region (a-b-c)is a phenolic functional group?

-Which of the above molecules contains a carbonyl group?

What determines the chemical and physical properties of hydrocarbons?

Carbon-carbon single bonds can rotate while carbon-carbon double bonds cannot rotate.How many different structures are shown below.

Which would you expect to be more viscous,a polymer made of long molecular strands or one made of short molecular strands? Why?

If champagne has a proof of 28,how many milliliters of alcohol are in 250 mL of champagne?

Which of the following stick structures could describe pentane (C5H12)?

-Which of the above sections of this molecule would be considered a saturated portion of the molecule?

What is a hydrocarbon?

Which of the following is the hallmark of a saturated hydrocarbon?

One solution to the problem of our overflowing landfills is to burn plastic objects instead of burying them.What would be some of the advantages and disadvantages of this practice?

-Which of the above sections of this molecule would be considered to be the aromatic portion of the molecule?

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

The Structure of Space and Time

Prologue: The Nature of Science

Filters

Which of the following stick structures could describe pentane (C₅H₁₂)?