Question 1

Which of the following statements about organic chemistry is false?

Accepted Answer

A)  Organic chemistry involves the study of compounds that contain carbon. 
B)  Organic compounds cannot be synthesized in the laboratory. 
C)  The most common elements found in organic compounds are carbon, hydrogen, nitrogen, and oxygen. 
D)  Organic and inorganic compounds obey different natural laws. 
A)  Organic chemistry involves the study of compounds that contain carbon. 
B)  Organic compounds cannot be synthesized in the laboratory. 
C)  The most common elements found in organic compounds are carbon, hydrogen, nitrogen, and oxygen. 
D)  Organic and inorganic compounds obey different natural laws.

Question 2

Which of the following is an example of a primary amine?

Accepted Answer

A)  CH3NH2 
B)  CH3CH2NH2 
C)  CH3CH2CH2NH2 
D)  all of these 
A)  CH3NH2 
B)  CH3CH2NH2 
C)  CH3CH2CH2NH2 
D)  all of these

Question 3

Of the four alcohols with the molecular formula C4H10O, how many are primary alcohols?

Accepted Answer

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

Question 4

Amino acids are molecules that contain both an amino group and a carboxyl group. Which elements are present in all amino acids?

Accepted Answer

A)  C and H 
B)  C, H, and N 
C)  C, H, and O 
D)  C, H, N, and O 
A)  C and H 
B)  C, H, and N 
C)  C, H, and O 
D)  C, H, N, and O

Question 5

Which element accounts for the largest percentage of the Earth's crust?

Accepted Answer

A)  iron 
B)  nitrogen 
C)  oxygen 
D)  silicon 
A)  iron 
B)  nitrogen 
C)  oxygen 
D)  silicon

Question 6

Which of the following is an example of a tertiary alcohol?

Accepted Answer

A)  CH3OH 
B)  CH3CH2OH 
C)  CH3CH2CH2OH 
D)  none of these 
A)  CH3OH 
B)  CH3CH2OH 
C)  CH3CH2CH2OH 
D)  none of these

Question 7

Answer the following questions based on the ball-and-stick models given below. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         Which of the following ball-and-stick models has a carbonyl functional group?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these 
A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these

Question 8

What is the functional group present in a formaldehyde molecule?

Accepted Answer

A)  carbonyl 
B)  carboxyl 
C)  hydroxyl 
D)  amide 
A)  carbonyl 
B)  carboxyl 
C)  hydroxyl 
D)  amide

Question 9

Answer the following questions based on the ball-and-stick models given below. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         Which of the following ball-and-stick models represents a secondary alcohol?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these 
A)  A 
B)  B 
C)  C 
D)  D 
E)  none of these

Question 10

If the bond angles at a carbon atom are 180°, then how many groups are distributed around the carbon atom?

Accepted Answer

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

Question 11

Which of the following organic compounds must have at least two oxygen atoms in its functional groups?

Accepted Answer

A)  ethyl alcohol 
B)  acetamide 
C)  acetic acid 
D)  acetone 
A)  ethyl alcohol 
B)  acetamide 
C)  acetic acid 
D)  acetone

Exam 10: Organic Chemistry

Which of the following statements about organic chemistry is false?

Which of the following is an example of a primary amine?

Of the four alcohols with the molecular formula C4H10O, how many are primary alcohols?

Amino acids are molecules that contain both an amino group and a carboxyl group. Which elements are present in all amino acids?

Which element accounts for the largest percentage of the Earth's crust?

Which of the following is an example of a tertiary alcohol?

Answer the following questions based on the ball-and-stick models given below. Atoms other than carbon and hydrogen are labeled with the symbol of the element. Which of the following ball-and-stick models has a carbonyl functional group?

What is the functional group present in a formaldehyde molecule?

Answer the following questions based on the ball-and-stick models given below. Atoms other than carbon and hydrogen are labeled with the symbol of the element. Which of the following ball-and-stick models represents a secondary alcohol?

If the bond angles at a carbon atom are 180°, then how many groups are distributed around the carbon atom?

Which of the following organic compounds must have at least two oxygen atoms in its functional groups?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Gene Expression and Protein Synthesis

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Of the four alcohols with the molecular formula C₄H₁₀O, how many are primary alcohols?