Question 1

How many compounds have the chemical formula     ?

Accepted Answer

A) 2 
B) 3 
C) 5 
D) 8 
E) 12 
A) 2 
B) 3 
C) 5 
D) 8 
E) 12

Question 2

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 3

The amino acid lysine is shown below. What functional group must be removed in order to produce cadaverine (1,5-pentanediamine)?

Accepted Answer

A) One amino group must be removed and replaced with a hydrogen. 
B) The carboxyl group must be removed and replaced with a hydrogen. 
C) The hydrogen (shown)must be removed and replaced with an amino (NH2)group. 
D) Lysine is 1, 5-pentanediamine. Nothing has to be removed. 
A) One amino group must be removed and replaced with a hydrogen. 
B) The carboxyl group must be removed and replaced with a hydrogen. 
C) The hydrogen (shown)must be removed and replaced with an amino (NH2)group. 
D) Lysine is 1, 5-pentanediamine. Nothing has to be removed.

Question 4

Which of the following does not describe the number of other atoms a carbon atom can be bonded to?

Accepted Answer

A) only 1 
B) only 2 
C) only 3 
D) only 4 
E) only 5 
A) only 1 
B) only 2 
C) only 3 
D) only 4 
E) only 5

Question 5

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

Accepted Answer

A) C4H10 
B) C8H18 
C) C10H22 
D) C20H42 
E) C40H82 
A) C4H10 
B) C8H18 
C) C10H22 
D) C20H42 
E) C40H82

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

Which of the following two stick structures are structural isomers?

Accepted Answer

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

Question 8

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 9

Where would you expect to isolate molecules in a petroleum fractionating tower that have the strongest intermolecular forces?

Accepted Answer

A) near the bottom 
B) near the top 
C) near the middle 
D) Fractional distillation takes advantage of molecular weight. 
E) Fractional distillation takes advantage of the number of isomers. 
A) near the bottom 
B) near the top 
C) near the middle 
D) Fractional distillation takes advantage of molecular weight. 
E) Fractional distillation takes advantage of the number of isomers.

Question 10

Which of the above stick structures would have the lowest octane rating for use in your engine?

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 11

Which of the following is a saturated molecule?

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 12

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

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 13

What type of polymer would be best to use in the manufacture of stain-resistant carpets?

Accepted Answer

A) cellulose 
B) nylon 
C) Melmac 
D) Teflon 
A) cellulose 
B) nylon 
C) Melmac 
D) Teflon

Question 14

Why is a phenol more acidic than a regular alcohol?

Accepted Answer

A) Phenols have the ability to spread out the negative charge that forms. 
B) Phenols have the ability to readily accept the positive charge of the proton. 
C) The negative charge is very concentrated on the oxygen ring of the phenol. 
D) The phenol has more negative charge and therefore is more stable. 
E) Phenols are not more acidic than a regular alcohol. 
A) Phenols have the ability to spread out the negative charge that forms. 
B) Phenols have the ability to readily accept the positive charge of the proton. 
C) The negative charge is very concentrated on the oxygen ring of the phenol. 
D) The phenol has more negative charge and therefore is more stable. 
E) Phenols are not more acidic than a regular alcohol.

Question 15

A single carbon atom is bonded to two other carbon atom and also two hydrogen atoms. How many bonds are formed between the each 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 16

In water, does the molecule lysergic acid diethylamide act as an acid, a base, neither or both?

Accepted Answer

A) acid 
B) base 
C) neither an acid or a base 
D) both as an acid and as a base 
A) acid 
B) base 
C) neither an acid or a base 
D) both as an acid and as a base

Question 17

Which of the following molecules contains a ketone?

Accepted Answer

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

Question 18

The fungus causing Dutch Elm disease is ________.

Accepted Answer

A) carried by the female Elm bark beetle 
B) carried by the male Elm bark beetle 
C) destroyed by the compound multistriatin 
D) Two of the above are correct. 
A) carried by the female Elm bark beetle 
B) carried by the male Elm bark beetle 
C) destroyed by the compound multistriatin 
D) Two of the above are correct.

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 structures is 2, 5-dimethyloctane?

Accepted Answer

A) a 
B) b 
C) c 
D) None of the above 
A) a 
B) b 
C) c 
D) None of the above

How many compounds have the chemical formula ?

Which of the above molecules contains a carbonyl group?

The amino acid lysine is shown below. What functional group must be removed in order to produce cadaverine (1,5-pentanediamine)?

Which of the following does not describe the number of other atoms a carbon atom can be bonded to?

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

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

Which of the following two stick structures are structural isomers?

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

Where would you expect to isolate molecules in a petroleum fractionating tower that have the strongest intermolecular forces?

Which of the above stick structures would have the lowest octane rating for use in your engine?

Which of the following is a saturated molecule?

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

What type of polymer would be best to use in the manufacture of stain-resistant carpets?

Why is a phenol more acidic than a regular alcohol?

A single carbon atom is bonded to two other carbon atom and also two hydrogen atoms. How many bonds are formed between the each carbon atoms?

In water, does the molecule lysergic acid diethylamide act as an acid, a base, neither or both?

Which of the following molecules contains a ketone?

The fungus causing Dutch Elm disease is ________.

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 structures is 2, 5-dimethyloctane?

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

How many compounds have the chemical formula ?

Which of the above molecules contains a carbonyl group?

The amino acid lysine is shown below. What functional group must be removed in order to produce cadaverine (1,5-pentanediamine)?

Which of the following does not describe the number of other atoms a carbon atom can be bonded to?

Which of the following molecules would probably be isolated closest to the top of a fractionating tower at a refinery?

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

Which of the following two stick structures are structural isomers?

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

Where would you expect to isolate molecules in a petroleum fractionating tower that have the strongest intermolecular forces?

Which of the above stick structures would have the lowest octane rating for use in your engine?

Which of the following is a saturated molecule?

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

What type of polymer would be best to use in the manufacture of stain-resistant carpets?

Why is a phenol more acidic than a regular alcohol?

A single carbon atom is bonded to two other carbon atom and also two hydrogen atoms. How many bonds are formed between the each carbon atoms?

In water, does the molecule lysergic acid diethylamide act as an acid, a base, neither or both?

Which of the following molecules contains a ketone?

The fungus causing Dutch Elm disease is ________.

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 structures is 2, 5-dimethyloctane?

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

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