Question 1

Alkanes in which some or all of the carbon atoms are arranged in a ring are called ___.

Accepted Answer

cycloalkanes

Question 2

How many moles of hydrogen (H2)will react with trans-1,2-dimethylcyclohexane?

Accepted Answer

A) 0 2 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 2 
B) 1 
C) 2 
D) 3 
E) 4 A

Question 3

The correct IUPAC name for the following compound is:

Accepted Answer

A) 1-methyl-2-ethyl-3-cyclopropanol 
B) 2-methyl-3-ethyl-1-cyclopropanol 
C) 3-ethyl-2-methyl-1-cyclopropanol 
D) 1-ethyl-2-methyl-3-cyclopropanol 
E) none of these choices 
A) 1-methyl-2-ethyl-3-cyclopropanol 
B) 2-methyl-3-ethyl-1-cyclopropanol 
C) 3-ethyl-2-methyl-1-cyclopropanol 
D) 1-ethyl-2-methyl-3-cyclopropanol 
E) none of these choices E

Question 4

The most stable conformation of trans-1-tert-butyl-2-methylcyclohexane is the one in which:

Accepted Answer

A) the tert-butyl group is axial and the methyl group is equatorial. 
B) the methyl group is axial and the tert-butyl group is equatorial. 
C) both groups are axial. 
D) both groups are equatorial. 
E) the molecule is in the half-chair conformation. 
A) the tert-butyl group is axial and the methyl group is equatorial. 
B) the methyl group is axial and the tert-butyl group is equatorial. 
C) both groups are axial. 
D) both groups are equatorial. 
E) the molecule is in the half-chair conformation.

Question 5

Which staggered Newman projection(s),looking down the C-2-C-3 bond (C-2 in front and C-3 in back),illustrate(s)the following boxed compound?

Accepted Answer

A) I only 
B) II and V 
C) I and II 
D) III only 
E) None of these choices. 
A) I only 
B) II and V 
C) I and II 
D) III only 
E) None of these choices.

Question 6

How many moles of hydrogen (H2)will react with 3-vinylcyclo-2-penten-1-ol?

Accepted Answer

A) 0 2 
B) 1 
C) 2 
D) 3 
E) 4 
A) 0 2 
B) 1 
C) 2 
D) 3 
E) 4

Question 7

Give the IUPAC name corresponding to the following structure:

Accepted Answer

cis-2-cycl

Question 8

Which alkene would yield 3-methylpentane when subjected to catalytic hydrogenation?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 9

What product is formed when 2,3,3-trimethylhept-1-en-6-yne is reacted with Pd/C and H2?

Accepted Answer

A) 2,3,3-trimethylheptan-6-yne 2 
B) 2,3,3-trimethylheptan-1-ene 
C) 5,5,6-trimethylheptan-6-yne 
D) 2,3,3-trimethylheptane 
E) None of these choices. 
A) 2,3,3-trimethylheptan-6-yne 2 
B) 2,3,3-trimethylheptan-1-ene 
C) 5,5,6-trimethylheptan-6-yne 
D) 2,3,3-trimethylheptane 
E) None of these choices.

Question 10

Which of the following structures represents bicyclo[3.2.1]octane?

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 11

Give the IUPAC name for

Accepted Answer

A) 3-Methyl-4-hexyne 
B) 4-Methyl-2-hexyne 
C) 2-Ethyl-3-pentyne 
D) 4-Ethyl-2-pentyne 
E) 3-Methyl-2-hexyne 
A) 3-Methyl-4-hexyne 
B) 4-Methyl-2-hexyne 
C) 2-Ethyl-3-pentyne 
D) 4-Ethyl-2-pentyne 
E) 3-Methyl-2-hexyne

Question 12

The IUPAC nomenclature priority for alkyl groups on a parent chain is determined by the alphabetical order of the groups.

Accepted Answer

A) True 
 B)False

Question 13

A correct IUPAC name for the following compound is:

Accepted Answer

A) 3,6,7-trimethyl-4-bromo-1-octene 
B) 4-bromo-3-methyl-6-isopropyl-1-heptene 
C) 4-bromo-3,6,7-trimethyl-1-octene 
D) 4-bromo-6-isopropyl-3-methyl-1-heptene 
E) 4-bromo-6-isopropyl-3,6-dimethyl-1-hexene 
A) 3,6,7-trimethyl-4-bromo-1-octene 
B) 4-bromo-3-methyl-6-isopropyl-1-heptene 
C) 4-bromo-3,6,7-trimethyl-1-octene 
D) 4-bromo-6-isopropyl-3-methyl-1-heptene 
E) 4-bromo-6-isopropyl-3,6-dimethyl-1-hexene

Question 14

The most stable conformation of 1,2-dibromoethane is:

Accepted Answer

A) I 
B) II 
C) III 
D) IV 
E) V 
A) I 
B) II 
C) III 
D) IV 
E) V

Question 15

What is the index of hydrogen deficiency (or degree of unsaturation)for retinol?

Accepted Answer

A) 3 
B) 4 
C) 5 
D) 6 
E) 7 
A) 3 
B) 4 
C) 5 
D) 6 
E) 7

Question 16

Select the systematic name for

Accepted Answer

A) cis-1,3-Dichlorocyclopentane 
B) trans-1,4-Dichlorocyclopentane 
C) cis-1,2-Dichlorocyclopentane 
D) trans-1,3-Dichlorocyclopentane 
E) 1,1-Dichlorocyclopentane 
A) cis-1,3-Dichlorocyclopentane 
B) trans-1,4-Dichlorocyclopentane 
C) cis-1,2-Dichlorocyclopentane 
D) trans-1,3-Dichlorocyclopentane 
E) 1,1-Dichlorocyclopentane

Question 17

The IUPAC name for   is:

Accepted Answer

A) 6-Ethyl-3,4-dimethylheptane 
B) 2-Ethyl-4,5-dimethylheptane 
C) 3,4,6-Trimethyloctane 
D) 3,5,6-Trimethyloctane 
E) 2-(1-Methylpropyl)-4-methylhexane 
A) 6-Ethyl-3,4-dimethylheptane 
B) 2-Ethyl-4,5-dimethylheptane 
C) 3,4,6-Trimethyloctane 
D) 3,5,6-Trimethyloctane 
E) 2-(1-Methylpropyl)-4-methylhexane

Question 18

How many compounds with the formula C7H16 (heptanes)contain a single 3° carbon atom?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 19

A correct name for the following compound is:

Accepted Answer

A) 4-bromo-3,8-dimethylbicyclo[5.2.2]nonane 
B) 3,8-dimethyl-4-bromo-bicyclo[5.2.0]nonane 
C) 4-bromo-3,8-dimethylbicyclo[5.2.1]decane 
D) 7-bromo-2,6-dimethylbicyclo[5.2.0]nonane 
E) 4-bromo-3,8-dimethylbicyclo[5.2.0]nonane 
A) 4-bromo-3,8-dimethylbicyclo[5.2.2]nonane 
B) 3,8-dimethyl-4-bromo-bicyclo[5.2.0]nonane 
C) 4-bromo-3,8-dimethylbicyclo[5.2.1]decane 
D) 7-bromo-2,6-dimethylbicyclo[5.2.0]nonane 
E) 4-bromo-3,8-dimethylbicyclo[5.2.0]nonane

Question 20

In a bicyclic compound,the carbon atoms common to both rings are called ___.

Accepted Answer

The answer of In a bicyclic compound,the carbon atoms common...

Exam 4: Nomenclature and Conformations of Alkanes and Cycloalkanes

Alkanes in which some or all of the carbon atoms are arranged in a ring are called ___.

How many moles of hydrogen (H2)will react with trans-1,2-dimethylcyclohexane?

The correct IUPAC name for the following compound is:

The most stable conformation of trans-1-tert-butyl-2-methylcyclohexane is the one in which:

Which staggered Newman projection(s),looking down the C-2-C-3 bond (C-2 in front and C-3 in back),illustrate(s)the following boxed compound?

How many moles of hydrogen (H2)will react with 3-vinylcyclo-2-penten-1-ol?

Give the IUPAC name corresponding to the following structure:

Which alkene would yield 3-methylpentane when subjected to catalytic hydrogenation?

What product is formed when 2,3,3-trimethylhept-1-en-6-yne is reacted with Pd/C and H2?

Which of the following structures represents bicyclo[3.2.1]octane?

Give the IUPAC name for

The IUPAC nomenclature priority for alkyl groups on a parent chain is determined by the alphabetical order of the groups.

A correct IUPAC name for the following compound is:

The most stable conformation of 1,2-dibromoethane is:

What is the index of hydrogen deficiency (or degree of unsaturation)for retinol?

Select the systematic name for

The IUPAC name for is:

How many compounds with the formula C7H16 (heptanes)contain a single 3° carbon atom?

A correct name for the following compound is:

In a bicyclic compound,the carbon atoms common to both rings are called ___.

The Basics

Families of Carbon

Acids and Bases

Stereochemistry

Nucleophilic Reactions

Alkenes and Alkynes I

Alkenes and Alkynes II

Nuclear Magnetic Resonance and Mass Spectrometry

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Reactions at the Α Carbon of Carbonyl Compounds

Condensation and Conjugate Addition Reactions of Carbonyl Compounds

Amines

Transition Metal Complexes

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

How many moles of hydrogen (H₂)will react with trans-1,2-dimethylcyclohexane?

How many moles of hydrogen (H₂)will react with 3-vinylcyclo-2-penten-1-ol?

What product is formed when 2,3,3-trimethylhept-1-en-6-yne is reacted with Pd/C and H₂?

How many compounds with the formula C₇H₁₆ (heptanes)contain a single 3° carbon atom?