Question 1

Which compound, if any, will not be optically active?

Accepted Answer

A)   
B)   
C)   
D)   
E)  They are all optically active. 
A)   
B)   
C)   
D)   
E)  They are all optically active.

Question 2

Amygdalin (Laetrile) was once touted for its potential anticancer activity. However, the claims were never scientifically verified. Identify the functional group circled.

Accepted Answer

A)  carbonite 
B)  ether 
C)  amide 
D)  amine 
E)  nitrile 
A)  carbonite 
B)  ether 
C)  amide 
D)  amine 
E)  nitrile

Question 3

One characteristic of the monomers that form condensation polymers that is not common in monomers which form addition polymers is

Accepted Answer

A)  the presence of pi bonds. 
B)  the presence of two functional groups. 
C)  the presence of alkyl side chains. 
D)  the ability to form free radicals. 
E)  the presence of sulfur atoms. 
A)  the presence of pi bonds. 
B)  the presence of two functional groups. 
C)  the presence of alkyl side chains. 
D)  the ability to form free radicals. 
E)  the presence of sulfur atoms.

Question 4

Select the correct name for the following compound.

Accepted Answer

A)  3-ethyl-2,3-dimethyl-1-propanol 
B)  2,3,4-trimethyl-1-butanol 
C)  2,3-dimethyl-1-pentanol 
D)  3,4-dimethyl-5-pentanol 
E)  2,3-dimethyl-1-pentanal 
A)  3-ethyl-2,3-dimethyl-1-propanol 
B)  2,3,4-trimethyl-1-butanol 
C)  2,3-dimethyl-1-pentanol 
D)  3,4-dimethyl-5-pentanol 
E)  2,3-dimethyl-1-pentanal

Question 5

Excluding cyclic compounds, how many possible isomers exist for C4H8?

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  6 
E)  7 
A)  2 
B)  4 
C)  5 
D)  6 
E)  7

Question 6

The compound shown below is responsible for the odor in rancid butter. Identify the functional group circled.

Accepted Answer

A)  aldehyde 
B)  ketone 
C)  alcohol 
D)  carboxylic acid 
E)  carbonyl 
A)  aldehyde 
B)  ketone 
C)  alcohol 
D)  carboxylic acid 
E)  carbonyl

Question 7

Which of the following is not a constitutional isomer of CH3CH2COOH?

Accepted Answer

A)  CH3CH2COOCH3 
B)  CH3COOCH3 
C)  CH3COCH2OH 
D)  HOCH=CHOCH3 
E)  CH3CH(OH)CHO 
A)  CH3CH2COOCH3 
B)  CH3COOCH3 
C)  CH3COCH2OH 
D)  HOCH=CHOCH3 
E)  CH3CH(OH)CHO

Question 8

Urea carries waste nitrogen from the body in urine. Identify the functional group circled.

Accepted Answer

A)  aldehyde 
B)  alcohol 
C)  carboxyl 
D)  amine 
E)  amide 
A)  aldehyde 
B)  alcohol 
C)  carboxyl 
D)  amine 
E)  amide

Question 9

Which of the following is likely to be an aromatic compound?

Accepted Answer

A)  C6H5Cl 
B)  C6H12 
C)  C2H4Cl2 
D)  C2H2 
E)  C4H8 
A)  C6H5Cl 
B)  C6H12 
C)  C2H4Cl2 
D)  C2H2 
E)  C4H8

Question 10

Both alkenes and alkynes exhibit geometric (cis/trans) isomerism.

Accepted Answer

A) True 
 B)False

Question 11

Because of delocalization, all the carbon-carbon bond lengths in 1,3-cyclopentadiene are identical.

Accepted Answer

A) True 
 B)False

Question 12

Benzene will react with chloromethane in the presence of a catalyst to produce toluene and hydrogen chloride. Select the correct reaction type for the process.

Accepted Answer

A)  addition 
B)  elimination 
C)  substitution 
D)  oxidation 
E)  reduction 
A)  addition 
B)  elimination 
C)  substitution 
D)  oxidation 
E)  reduction

Question 13

Select the correct name for the following compound.

Accepted Answer

A)  2-ethyl-4-propylcycloheptene 
B)  3-ethyl-5-propylcycloheptene 
C)  6-ethyl-4-propylcycloheptene 
D)  7-ethyl-5-propylcycloheptene 
E)  3-ethyl-5-propylcyclohexene 
A)  2-ethyl-4-propylcycloheptene 
B)  3-ethyl-5-propylcycloheptene 
C)  6-ethyl-4-propylcycloheptene 
D)  7-ethyl-5-propylcycloheptene 
E)  3-ethyl-5-propylcyclohexene

Question 14

Each amino acid has two functional groups in common and one of 20 other groups attached to the α-carbon. The two functional groups are

Accepted Answer

A)  carboxyl and amine. 
B)  ester and amine. 
C)  carboxyl and amide. 
D)  alcohol and amine. 
E)  carboxyl and peptide. 
A)  carboxyl and amine. 
B)  ester and amine. 
C)  carboxyl and amide. 
D)  alcohol and amine. 
E)  carboxyl and peptide.

Question 15

Enflurane is an effective gaseous anesthetic with relatively low flammability. Identify the functional group circled.

Accepted Answer

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

Question 16

Including cyclic compounds, how many possible isomers exist for C4H8?

Accepted Answer

A)  2 
B)  4 
C)  5 
D)  6 
E)  7 
A)  2 
B)  4 
C)  5 
D)  6 
E)  7

Question 17

Identify the principal organic product of the reaction between butane and chlorine.

Accepted Answer

A)  CH3Cl 
B)  CH3CH2Cl 
C)  CH3CHClCH3 
D)  CH3CH2CHClCH3 
E)  None of these choices are correct. 
A)  CH3Cl 
B)  CH3CH2Cl 
C)  CH3CHClCH3 
D)  CH3CH2CHClCH3 
E)  None of these choices are correct.

Question 18

Identify the organic product when cyclohexanol reacts with excess potassium dichromate in the presence of sulfuric acid.

Accepted Answer

A)   
B)   
C)   
D)   
E)  None of these choices are correct. 
A)   
B)   
C)   
D)   
E)  None of these choices are correct.

Question 19

Esters can be formed by the dehydration-condensation of a carboxylic acid and an alcohol.

Accepted Answer

A) True 
 B)False

Question 20

Select the correct name for the following compound.

Accepted Answer

A)  1,1,3-triethyl-2-methylbutane 
B)  1,1-diethyl-2,3-dimethylpentane 
C)  2,4-diethyl-3-methylhexane 
D)  3-ethyl-4,5-dimethylheptane 
E)  None of these choices are correct. 
A)  1,1,3-triethyl-2-methylbutane 
B)  1,1-diethyl-2,3-dimethylpentane 
C)  2,4-diethyl-3-methylhexane 
D)  3-ethyl-4,5-dimethylheptane 
E)  None of these choices are correct.

Exam 15: Organic Compounds and the Atomic Properties of Carbon

Which compound, if any, will not be optically active?

Amygdalin (Laetrile) was once touted for its potential anticancer activity. However, the claims were never scientifically verified. Identify the functional group circled.

One characteristic of the monomers that form condensation polymers that is not common in monomers which form addition polymers is

Select the correct name for the following compound.

Excluding cyclic compounds, how many possible isomers exist for C4H8?

The compound shown below is responsible for the odor in rancid butter. Identify the functional group circled.

Which of the following is not a constitutional isomer of CH3CH2COOH?

Urea carries waste nitrogen from the body in urine. Identify the functional group circled.

Which of the following is likely to be an aromatic compound?

Both alkenes and alkynes exhibit geometric (cis/trans) isomerism.

Because of delocalization, all the carbon-carbon bond lengths in 1,3-cyclopentadiene are identical.

Benzene will react with chloromethane in the presence of a catalyst to produce toluene and hydrogen chloride. Select the correct reaction type for the process.

Select the correct name for the following compound.

Each amino acid has two functional groups in common and one of 20 other groups attached to the α-carbon. The two functional groups are

Enflurane is an effective gaseous anesthetic with relatively low flammability. Identify the functional group circled.

Including cyclic compounds, how many possible isomers exist for C4H8?

Identify the principal organic product of the reaction between butane and chlorine.

Identify the organic product when cyclohexanol reacts with excess potassium dichromate in the presence of sulfuric acid.

Esters can be formed by the dehydration-condensation of a carboxylic acid and an alcohol.

Select the correct name for the following compound.

Keys to Studying Chemistry Definitions, Units, and Problem Solving

The Components of Matter

Stoichiometry of Formulas and Equations

Three Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces Liquids, Solids, and Phase Changes

The Properties of Mixtures Solutions and Colloids

Periodic Patterns in the Main-Group Elements

Kinetics Rates and Mechanisms of Chemical Reactions

Equilibrium the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics Entropy, Free Energy, and Reaction Direction

Electrochemistry Chemical Change and Electrical Work

The Elements in Nature and Industry

Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Excluding cyclic compounds, how many possible isomers exist for C₄H₈?

Which of the following is not a constitutional isomer of CH₃CH₂COOH?

Including cyclic compounds, how many possible isomers exist for C₄H₈?