Question 1

What is the number of bonds between the carbon atoms in C2H2?

Accepted Answer

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

Question 2

To which category does the molecule below belong?

Accepted Answer

A) alkanes 
B) alkenes 
C) alkynes 
D) aromatic hydrocarbons 
A) alkanes 
B) alkenes 
C) alkynes 
D) aromatic hydrocarbons B

Question 3

When fats are hydrogenated, liquid oils are produced.

Accepted Answer

A) True 
 B)False  False

Question 4

Cooking oils from plants like soybeans are hydrogenated in order to

Accepted Answer

A) make them unsaturated. 
B) give them a better taste. 
C) turn them into shortening. 
D) reduce their cholesterol content. 
A) make them unsaturated. 
B) give them a better taste. 
C) turn them into shortening. 
D) reduce their cholesterol content.

Question 5

What is ethanol converted into when wine "goes bad"?

Accepted Answer

A) CH3COOH 
B) CH3OCH3 
C) CH3CH2OH 
D) CH3OH 
A) CH3COOH 
B) CH3OCH3 
C) CH3CH2OH 
D) CH3OH

Question 6

The prefix n- before an alkane means a normal, straight-chain hydrocarbon.

Accepted Answer

A) True 
 B)False

Question 7

The R in R-COOH or R-C=O stands for

Accepted Answer

A) a reactive atom. 
B) a separate functional group. 
C) any hydrocarbon group. 
D) a rigid part of the molecule. 
A) a reactive atom. 
B) a separate functional group. 
C) any hydrocarbon group. 
D) a rigid part of the molecule.

Question 8

Compounds with the general structural formula RCOOH are known as

Accepted Answer

A) esters. 
B) carboxylic acids. 
C) aldehydes. 
D) fats. 
A) esters. 
B) carboxylic acids. 
C) aldehydes. 
D) fats.

Question 9

An alkane with 3 carbon atoms would have how many hydrogen atoms in the molecule?

Accepted Answer

A) 4 
B) 6 
C) 8 
D) 10 
A) 4 
B) 6 
C) 8 
D) 10

Question 10

The compounds CH3OCH3 and C2H5OH are isomers.

Accepted Answer

A) True 
 B)False

Question 11

What would paint thinner, a petroleum distillate, most likely contain?

Accepted Answer

A) C2H4 
B) C5H12 
C) C17H34 
D) C40H82 
A) C2H4 
B) C5H12 
C) C17H34 
D) C40H82

Question 12

Organic compounds with two OH groups per molecule are called

Accepted Answer

A) alcohol. 
B) ethanol. 
C) glycerin. 
D) glycol. 
A) alcohol. 
B) ethanol. 
C) glycerin. 
D) glycol.

Question 13

Esters give flowers and fruits their characteristic odor and taste.

Accepted Answer

A) True 
 B)False

Question 14

Sugars, starches, and cellulose belong to the class of

Accepted Answer

A) polymers. 
B) triglycerides. 
C) carbohydrates. 
D) carboxylic acids. 
A) polymers. 
B) triglycerides. 
C) carbohydrates. 
D) carboxylic acids.

Question 15

Alcohols have the carboxyl functional group -COOH.

Accepted Answer

A) True 
 B)False

Question 16

Proteins are polypeptides formed by the linkage of many amino acids.

Accepted Answer

A) True 
 B)False

Question 17

Formic acid is the acid that forms in muscle tissue during anaerobic metabolism of carbohydrates, causing soreness and fatigue.

Accepted Answer

A) True 
 B)False

Question 18

The various components of crude oil are separated in a refinery based on differences in

Accepted Answer

A) density. 
B) melting point. 
C) boiling point. 
D) solubility. 
A) density. 
B) melting point. 
C) boiling point. 
D) solubility.

Question 19

Gasoline made primarily of straight-chain hydrocarbons has a low octane rating.

Accepted Answer

A) True 
 B)False

Question 20

Fats and oils are

Accepted Answer

A) esters of glycerol and fatty acids. 
B) complex polysaccharides. 
C) macromolecules. 
D) formed when carboxylic acids are oxidized. 
A) esters of glycerol and fatty acids. 
B) complex polysaccharides. 
C) macromolecules. 
D) formed when carboxylic acids are oxidized.

Exam 12: Organic Chemistry

What is the number of bonds between the carbon atoms in C2H2?

To which category does the molecule below belong?

When fats are hydrogenated, liquid oils are produced.

Cooking oils from plants like soybeans are hydrogenated in order to

What is ethanol converted into when wine "goes bad"?

The prefix n- before an alkane means a normal, straight-chain hydrocarbon.

The R in R-COOH or R-C=O stands for

Compounds with the general structural formula RCOOH are known as

An alkane with 3 carbon atoms would have how many hydrogen atoms in the molecule?

The compounds CH3OCH3 and C2H5OH are isomers.

What would paint thinner, a petroleum distillate, most likely contain?

Organic compounds with two OH groups per molecule are called

Esters give flowers and fruits their characteristic odor and taste.

Sugars, starches, and cellulose belong to the class of

Alcohols have the carboxyl functional group -COOH.

Proteins are polypeptides formed by the linkage of many amino acids.

Formic acid is the acid that forms in muscle tissue during anaerobic metabolism of carbohydrates, causing soreness and fatigue.

The various components of crude oil are separated in a refinery based on differences in

Gasoline made primarily of straight-chain hydrocarbons has a low octane rating.

Fats and oils are

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What is the number of bonds between the carbon atoms in C₂H₂?

The compounds CH₃OCH₃ and C₂H₅OH are isomers.