Question 1

What is the IUPAC name of the following compound?

Accepted Answer

A)  2-methylenepentane 
B)  2-methyl-1-pentene 
C)  2-vinylpentane 
D)  2-propyl-1-propene 
A)  2-methylenepentane 
B)  2-methyl-1-pentene 
C)  2-vinylpentane 
D)  2-propyl-1-propene

Question 2

What is the IUPAC name of the following compound?

Accepted Answer

(E)-4-chlo

Question 3

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

Accepted Answer

A)  −COOH 
B)  −Cl 
C)  −CH2OH 
D)  −CH3 
A)  −COOH 
B)  −Cl 
C)  −CH2OH 
D)  −CH3

Question 4

How many constitutional isomeric alkenes are there with the formula C6H12?

Accepted Answer

A)  9 
B)  11 
C)  12 
D)  13 
A)  9 
B)  11 
C)  12 
D)  13

Question 5

What is the smallest trans cycloalkene that is stable at room temperature?

Accepted Answer

A)  (
E) -cyclohexene 
B)  (
E) -cycloheptene 
C)  (
E) -cyclooctene 
D)  (
E) -cyclodecene 
A)  (
E) -cyclohexene 
B)  (
E) -cycloheptene 
C)  (
E) -cyclooctene 
D)  (
E) -cyclodecene

Question 6

What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
A)  0 
B)  1 
C)  2 
D)  3

Question 7

What is the IUPAC name of the following compound?

Accepted Answer

A)  1,3-dimethylcyclopentene 
B)  1,4-dimethylcyclopentene 
C)  2,4-dimethylcyclopentene 
D)  1,3-dimethyl-5-cyclopentene 
A)  1,3-dimethylcyclopentene 
B)  1,4-dimethylcyclopentene 
C)  2,4-dimethylcyclopentene 
D)  1,3-dimethyl-5-cyclopentene

Question 8

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

Accepted Answer

A)  C5H8N2 
B)  C5H11N 
C)  C6H11N 
D)  C5H13NO2 
A)  C5H8N2 
B)  C5H11N 
C)  C6H11N 
D)  C5H13NO2

Question 9

Which of the following compounds has a hydrogen deficiency of 3?

Accepted Answer

A)  only 1 
B)  only 2 
C)  only 3 and 4 
D)  only 1,3 and 4 
A)  only 1 
B)  only 2 
C)  only 3 and 4 
D)  only 1,3 and 4

Question 10

(3E)-3,7-dimethyl-1,3,6-octatriene can be represented by either of the following two formulas.

Accepted Answer

A) True 
 B)False

Question 11

Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

Accepted Answer

The answer of Provide the bond-line structure of (2Z,6E)-octa-2,6-diene....

Question 12

The presence of both rings and pi bonds contribute to the index of hydrogen deficiency in a compound.

Accepted Answer

A) True 
 B)False

Question 13

A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________.
C10H?ClN2O

Accepted Answer

Question 14

What is the IUPAC name of the following compound?

Accepted Answer

3,4-dimeth

Question 15

What is the hybridization of carbon atoms labeled i − iii in the following structure?

Accepted Answer

A)  i = sp2; ii = sp2; iii = sp2 
B)  i = sp; ii = sp; iii = sp3 
C)  i = sp2; ii = sp; iii = sp3 
D)  i = sp2; ii = sp2; iii = sp3 
A)  i = sp2; ii = sp2; iii = sp2 
B)  i = sp; ii = sp; iii = sp3 
C)  i = sp2; ii = sp; iii = sp3 
D)  i = sp2; ii = sp2; iii = sp3

Question 16

Which is the correct assignment of the names of the following groups?

Accepted Answer

A)  1 = methylene; 2 = vinyl; 3 = phenyl 
B)  1 = vinyl; 2 = propargyl; 3 = benzyl 
C)  1 = allyl; 2 = vinyl; 3 = benzyl 
D)  1 = vinyl; 2 = allyl; 3 = phenyl 
A)  1 = methylene; 2 = vinyl; 3 = phenyl 
B)  1 = vinyl; 2 = propargyl; 3 = benzyl 
C)  1 = allyl; 2 = vinyl; 3 = benzyl 
D)  1 = vinyl; 2 = allyl; 3 = phenyl

Question 17

What is the IUPAC name of the following compound?

Accepted Answer

1,6-dimeth

Question 18

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

Accepted Answer

Question 19

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?

Accepted Answer

A)  C5H8O2 
B)  C5H10O 
C)  C6H15N 
D)  C5H10Br2 
A)  C5H8O2 
B)  C5H10O 
C)  C6H15N 
D)  C5H10Br2

Question 20

What is the IUPAC name of the following compound?

Accepted Answer

(Z)-3-chlo

Exam 5: Alkenes: Bonding, Nomenclature, and Properties

What is the IUPAC name of the following compound?

What is the IUPAC name of the following compound?

Which of the following substituents has the highest priority according to the Cahn-Ingold-Prelog system used in assigning E and Z configurations of carbon-carbon double bonds?

How many constitutional isomeric alkenes are there with the formula C6H12?

What is the smallest trans cycloalkene that is stable at room temperature?

What is the index of hydrogen deficiency of a compound with a molecular formula of C6H8?

What is the IUPAC name of the following compound?

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 1?

Which of the following compounds has a hydrogen deficiency of 3?

(3E)-3,7-dimethyl-1,3,6-octatriene can be represented by either of the following two formulas.

Provide the bond-line structure of (2Z,6E)-octa-2,6-diene.

The presence of both rings and pi bonds contribute to the index of hydrogen deficiency in a compound.

A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________. C10H?ClN2O

What is the IUPAC name of the following compound?

What is the hybridization of carbon atoms labeled i − iii in the following structure?

Which is the correct assignment of the names of the following groups?

What is the IUPAC name of the following compound?

What is the value of the index of hydrogen deficiency of a molecule with the formula C9H10?

Which of the following molecular formulae corresponds to a compound with a hydrogen deficiency of 2?

What is the IUPAC name of the following compound?

Covalent Bonding and Shapes of Molecules

Alkanes and Cycloalkanes

Stereoisomerism and Chirality

Acids and Bases

Reactions of Alkenes

Alkynes

Haloalkanes, Halogenation, and Radical Reactions

Nucleophilic Substitution and Beta-Elimination

Alcohols

Ethers, Epoxides, and Sulfides

Infrared Spectroscopy

Nuclear Magnetic Resonance Spectroscopy

Mass Spectrometry

An Introduction to Organometallic Compounds

Aldehydes and Ketones

Carboxylic Acids

Functional Derivatives of Carboxylic Acids

Enolate Anions and Enamines

Dienes, Conjugated Systems, and Pericyclic Reactions

Benzene and the Concept of Aromaticity

Reactions of Benzene and Its Derivatives

Amines

Catalytic Carbon-Carbon Bond Formation

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids

Organic Polymer Chemistry

Filters

How many constitutional isomeric alkenes are there with the formula C₆H₁₂?

What is the index of hydrogen deficiency of a compound with a molecular formula of C₆H₈?

A compound with the following molecular formula contains two double bonds. The correct subscript for H in the formula is ________. C₁₀H_?ClN₂O

What is the value of the index of hydrogen deficiency of a molecule with the formula C₉H₁₀?