Question 1

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 2

How many aldehydes have the molecular formula C4H8O?

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

How many ketones have the molecular formula C5H10O?

Accepted Answer

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

Question 5

In which of the following classes of organic compounds must there be at least two oxygen atoms?

Accepted Answer

A)  carboxylic acids 
B)  carboxylic esters 
C)  both a and b 
D)  neither a nor b 
A)  carboxylic acids 
B)  carboxylic esters 
C)  both a and b 
D)  neither a nor b

Question 6

In organic compounds, which of the following elements normally forms three covalent bonds?

Accepted Answer

A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen 
A)  carbon 
B)  hydrogen 
C)  nitrogen 
D)  oxygen

Question 7

What is the minimum number of hydrogen atoms present in a carboxylic acid?

Accepted Answer

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

Question 8

In which of the following classes of organic compounds must there be at least two oxygen atoms?

Accepted Answer

A)  alcohols 
B)  aldehydes 
C)  carboxylic acids 
D)  ketones 
A)  alcohols 
B)  aldehydes 
C)  carboxylic acids 
D)  ketones

Question 9

Of the four alcohols with 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 10

The chemical formula of methanol is CH3OH. How many unshared electron pairs are associated with a molecule of methanol?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  6 
A)  1 
B)  2 
C)  4 
D)  6

Question 11

Which of the following is an example of a carboxylic acid?

Accepted Answer

A)    
B)    
C)  both a and b 
D)  neither a nor b 
A)    
B)    
C)  both a and b 
D)  neither a nor b

Question 12

The chemical formula of methylamine is CH3NH2. How many valence electrons are associated with a molecule of methylamine?

Accepted Answer

A)  7 
B)  8 
C)  12 
D)  14 
A)  7 
B)  8 
C)  12 
D)  14

Question 13

The chemical formula of hydrogen cyanide is HCN. How many unshared electrons are associated with a molecule of hydrogen cyanide?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  10 
A)  2 
B)  4 
C)  6 
D)  10

Question 14

The   group is the functional group of which of the following types of compounds?

Accepted Answer

A)  carboxylic acids 
B)  aldehydes 
C)  carboxylic esters 
D)  ketones 
A)  carboxylic acids 
B)  aldehydes 
C)  carboxylic esters 
D)  ketones

Question 15

Which of the following classes of compounds can be categorized as primary, secondary or, tertiary?

Accepted Answer

A)  aldehydes 
B)  amines 
C)  carboxylic acids 
D)  ketones 
A)  aldehydes 
B)  amines 
C)  carboxylic acids 
D)  ketones

Question 16

Which of the following functional groups does not contain a carbonyl group?

Accepted Answer

A)  ester 
B)  alcohol 
C)  aldehyde 
D)  ketone 
A)  ester 
B)  alcohol 
C)  aldehyde 
D)  ketone

Question 17

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element.         A B C D
-Which model represents a secondary amine?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a secondary amine. 
A)  A 
B)  B 
C)  C 
D)  D 
E)  None of these is a secondary amine.

Question 18

The bond angles around the carbon atom in methane (CH4) are all:

Accepted Answer

A)  180o 
B)  120o 
C)  109.5o 
D)  90o 
A)  180o 
B)  120o 
C)  109.5o 
D)  90o

Question 19

The chemical formula of hydrogen cyanide is HCN. How many valence electrons are associated with a molecule of hydrogen cyanide?

Accepted Answer

A)  4 
B)  6 
C)  10 
D)  14 
A)  4 
B)  6 
C)  10 
D)  14

Question 20

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

Exam 10: Organic Chemistry

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

How many aldehydes have the molecular formula C4H8O?

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

How many ketones have the molecular formula C5H10O?

In which of the following classes of organic compounds must there be at least two oxygen atoms?

In organic compounds, which of the following elements normally forms three covalent bonds?

What is the minimum number of hydrogen atoms present in a carboxylic acid?

In which of the following classes of organic compounds must there be at least two oxygen atoms?

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

The chemical formula of methanol is CH3OH. How many unshared electron pairs are associated with a molecule of methanol?

Which of the following is an example of a carboxylic acid?

The chemical formula of methylamine is CH3NH2. How many valence electrons are associated with a molecule of methylamine?

The chemical formula of hydrogen cyanide is HCN. How many unshared electrons are associated with a molecule of hydrogen cyanide?

The group is the functional group of which of the following types of compounds?

Which of the following classes of compounds can be categorized as primary, secondary or, tertiary?

Which of the following functional groups does not contain a carbonyl group?

Examine the following models. Atoms other than carbon and hydrogen are labeled with the symbol of the element. A B C D -Which model represents a secondary amine?

The bond angles around the carbon atom in methane (CH4) are all:

The chemical formula of hydrogen cyanide is HCN. How many valence electrons are associated with a molecule of hydrogen cyanide?

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

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 and Alkynes

Benzene and Its Derivatives

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

How many aldehydes have the molecular formula C₄H₈O?

How many ketones have the molecular formula C₅H₁₀O?

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

The chemical formula of methanol is CH₃OH. How many unshared electron pairs are associated with a molecule of methanol?

The chemical formula of methylamine is CH₃NH₂. How many valence electrons are associated with a molecule of methylamine?

The bond angles around the carbon atom in methane (CH₄) are all: