Question 1

The formula for a certain ether is shown below: CH3CH2OCH2CH3
What would be the most likely starting material?

Accepted Answer

A) CH3CH2OH 
B) CH3CH2O 
C) CH3OCH3 
D) CH3CH3 
E) HOCH3CH2OH 
A) CH3CH2OH 
B) CH3CH2O 
C) CH3OCH3 
D) CH3CH3 
E) HOCH3CH2OH

Question 2

Which of the above molecules is a carboxylic acid?

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 3

Which bond would you rotate around to generate the structure on the right?

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 4

How many structural isomers are there for hydrocarbons having the molecular formula C4H10?

Accepted Answer

A) none 
B) one 
C) two 
D) three 
A) none 
B) one 
C) two 
D) three

Question 5

Which of the above structures might be wrongly named 1, 4-diethylbutane?

Accepted Answer

A) a 
B) b 
C) c 
D) All of the above have the same octane rating. 
E) None of the above are octane. 
A) a 
B) b 
C) c 
D) All of the above have the same octane rating. 
E) None of the above are octane.

Question 6

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 7

Which of the structures shown below are 3-methyl-2-pentene, where "2" indicates the placement of the double bond?   a b c d

Accepted Answer

A) b and d are 3-methyl-2-pentene. 
B) b, c, and d are 3-methyl-2-pentene. 
C) a and b are 3-methyl-2-pentene. 
D) All of them are 3-methyl-2-pentene. 
A) b and d are 3-methyl-2-pentene. 
B) b, c, and d are 3-methyl-2-pentene. 
C) a and b are 3-methyl-2-pentene. 
D) All of them are 3-methyl-2-pentene.

Question 8

Camphor is a 10-carbon odoriferous natural product made from the joining of two isoprene units plus the addition of a ketone. Shown below on the left is its chemical structure. On the right is shown the camphor structure with two particular chemical "units" circled. What is/are the name(s)of these two units?

Accepted Answer

A) Both chemical units are isoprene. 
B) Both chemical units are styrene. 
C) Both chemical units are isopropene. 
D) The upper chemical unit is isopropene and the lower unit is styrene. 
A) Both chemical units are isoprene. 
B) Both chemical units are styrene. 
C) Both chemical units are isopropene. 
D) The upper chemical unit is isopropene and the lower unit is styrene.

Question 9

Which number set identifies the longest chain of carbons in the following structure?

Accepted Answer

A) 1, 2, 3, 5, 10, 11, 6, 7, 8, 9 
B) 9, 8, 7, 12, 6, 5, 3, 2, 1 
C) 9, 8, 7, 6, 5, 3, 2, 1 
D) 9, 8, 7, 6, 5, 10, 11 
A) 1, 2, 3, 5, 10, 11, 6, 7, 8, 9 
B) 9, 8, 7, 12, 6, 5, 3, 2, 1 
C) 9, 8, 7, 6, 5, 3, 2, 1 
D) 9, 8, 7, 6, 5, 10, 11

Question 10

Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

Accepted Answer

A) 1 = ether, 3 = ester, 6 = aldehyde, 9 = alcohol 
B) 2 = amide, 4 = ester, 7 = amine, 8 = ether 
C) 1 = ester, 5 = alcohol, 8 = ether, 9 = ketone 
D) 2 = amide, 6 = aldehyde, 7 = amine, 8 = ether 
A) 1 = ether, 3 = ester, 6 = aldehyde, 9 = alcohol 
B) 2 = amide, 4 = ester, 7 = amine, 8 = ether 
C) 1 = ester, 5 = alcohol, 8 = ether, 9 = ketone 
D) 2 = amide, 6 = aldehyde, 7 = amine, 8 = ether

Question 11

The three-dimensional network found in a thermoset polymer ________.

Accepted Answer

A) gives the polymer flexibility 
B) gives the polymer strength 
C) allows the polymer to retain its shape 
D) allows the polymer to be recycled more easily 
E) B and C 
A) gives the polymer flexibility 
B) gives the polymer strength 
C) allows the polymer to retain its shape 
D) allows the polymer to be recycled more easily 
E) B and C

Question 12

If an alcoholic beverage has a proof of 151, what is the percentage of alcohol in the beverage?

Accepted Answer

A) 75.5 percent 
B) 151 percent 
C) 15.1 percent 
D) Proof is a measure of flammability. 
E) Proof is a measure of the age of a fermented beverage. 
A) 75.5 percent 
B) 151 percent 
C) 15.1 percent 
D) Proof is a measure of flammability. 
E) Proof is a measure of the age of a fermented beverage.

Question 13

Which of the above molecules would you use to make an amide?

Accepted Answer

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

Question 14

Which of the following polymers could be considered as playing a big role in the success of supermarkets?

Accepted Answer

A) rayon 
B) cellophane 
C) nitrocellulose 
D) bakelite 
E) rubber 
A) rayon 
B) cellophane 
C) nitrocellulose 
D) bakelite 
E) rubber

Question 15

Alkaloid salts are not very soluble in the organic solvent diethyl ether. What might happen to the free-base form of caffeine dissolved in diethyl ether if gaseous hydrogen chloride, HCl, were bubbled into the solution?

Accepted Answer

A) A second layer of water would form. 
B) Nothing, and the HCl gas would merely bubble out of solution. 
C) The diethyl ether insoluble caffeine salt would form as a white precipitate. 
D) The acid/base reaction would release heat, which would cause the diethyl ether to start evaporating. 
A) A second layer of water would form. 
B) Nothing, and the HCl gas would merely bubble out of solution. 
C) The diethyl ether insoluble caffeine salt would form as a white precipitate. 
D) The acid/base reaction would release heat, which would cause the diethyl ether to start evaporating.

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

A single carbon atom is bonded to only one carbon and only one hydrogen atom. How many bonds are formed between the attached carbon atoms?

Accepted Answer

A) 2 
B) 1 
C) 3 
D) 4 
E) none of the above 
A) 2 
B) 1 
C) 3 
D) 4 
E) none of the above

Question 18

Which of the following polymers would you use if you needed long-term acid or base stability?

Accepted Answer

A) Plexiglas, poly(methyl methacrylate) 
B) PVC, polyvinyl chloride 
C) Saran (as in Saran Wrap) 
D) Teflon 
E) none of the above 
A) Plexiglas, poly(methyl methacrylate) 
B) PVC, polyvinyl chloride 
C) Saran (as in Saran Wrap) 
D) Teflon 
E) none of the above

Question 19

How are most hydrocarbons made?

Accepted Answer

A) They are isolated from fossil fuels. 
B) They are made by plants. 
C) They are made at refineries. 
D) They are made in swamps. 
E) none of the above 
A) They are isolated from fossil fuels. 
B) They are made by plants. 
C) They are made at refineries. 
D) They are made in swamps. 
E) none of the above

Question 20

What is meant by the term octane rating?

Accepted Answer

A) the degree of branching in the carbon framework 
B) the degree at which the compound ignites 
C) the percentage of octane in the mixture 
D) a measure of how many degrees it takes to ignite a mixture of octane 
E) none of the above 
A) the degree of branching in the carbon framework 
B) the degree at which the compound ignites 
C) the percentage of octane in the mixture 
D) a measure of how many degrees it takes to ignite a mixture of octane 
E) none of the above

The formula for a certain ether is shown below: CH₃CH₂OCH₂CH₃ What would be the most likely starting material?

Which of the above molecules is a carboxylic acid?

Which bond would you rotate around to generate the structure on the right?

How many structural isomers are there for hydrocarbons having the molecular formula C₄H₁₀?

Which of the above structures might be wrongly named 1, 4-diethylbutane?

Which region (a-b-c)is a phenolic functional group?

Which of the structures shown below are 3-methyl-2-pentene, where "2" indicates the placement of the double bond? a b c d

Which number set identifies the longest chain of carbons in the following structure?

Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

The three-dimensional network found in a thermoset polymer ________.

If an alcoholic beverage has a proof of 151, what is the percentage of alcohol in the beverage?

Which of the above molecules would you use to make an amide?

Which of the following polymers could be considered as playing a big role in the success of supermarkets?

Alkaloid salts are not very soluble in the organic solvent diethyl ether. What might happen to the free-base form of caffeine dissolved in diethyl ether if gaseous hydrogen chloride, HCl, were bubbled into the solution?

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

A single carbon atom is bonded to only one carbon and only one hydrogen atom. How many bonds are formed between the attached carbon atoms?

Which of the following polymers would you use if you needed long-term acid or base stability?

How are most hydrocarbons made?

What is meant by the term octane rating?

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

Exam 12: Organic Compounds

The formula for a certain ether is shown below: CH3CH2OCH2CH3 What would be the most likely starting material?

Which of the above molecules is a carboxylic acid?

Which bond would you rotate around to generate the structure on the right?

How many structural isomers are there for hydrocarbons having the molecular formula C4H10?

Which of the above structures might be wrongly named 1, 4-diethylbutane?

Which region (a-b-c)is a phenolic functional group?

Which of the structures shown below are 3-methyl-2-pentene, where "2" indicates the placement of the double bond? a b c d

Which number set identifies the longest chain of carbons in the following structure?

Correctly identify the following functional groups in this organic molecule-amide, ester, ketone, ether, alcohol, aldehyde, amine.

The three-dimensional network found in a thermoset polymer ________.

If an alcoholic beverage has a proof of 151, what is the percentage of alcohol in the beverage?

Which of the above molecules would you use to make an amide?

Which of the following polymers could be considered as playing a big role in the success of supermarkets?

Alkaloid salts are not very soluble in the organic solvent diethyl ether. What might happen to the free-base form of caffeine dissolved in diethyl ether if gaseous hydrogen chloride, HCl, were bubbled into the solution?

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

A single carbon atom is bonded to only one carbon and only one hydrogen atom. How many bonds are formed between the attached carbon atoms?

Which of the following polymers would you use if you needed long-term acid or base stability?

How are most hydrocarbons made?

What is meant by the term octane rating?

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Nutrients of Life

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

The formula for a certain ether is shown below: CH₃CH₂OCH₂CH₃ What would be the most likely starting material?

How many structural isomers are there for hydrocarbons having the molecular formula C₄H₁₀?