Question 1

A compound containing two fused or bridged rings is referred to as a ___.

Accepted Answer

The answer of A compound containing two fused or bridged...

Question 2

What is the index of hydrogen deficiency (or degree of unsaturation)of the hormone cortisol?

Accepted Answer

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

Question 3

Which of the following is bicyclo[4.3.0]nonane?

Accepted Answer

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

Question 4

What product is formed when 3-cyclobutylpropan-1-ol is reacted with Pd/C and H2?

Accepted Answer

A) 3-cyclobutylpropane 2 
B) 1-propanol 
C) No reaction 
D) hexane 
E) None of these choices. 
A) 3-cyclobutylpropane 2 
B) 1-propanol 
C) No reaction 
D) hexane 
E) None of these choices.

Question 5

A correct name for the following compound is:

Accepted Answer

A) 7,7-dichlorobicyclo[2.2.1]heptane 
B) 2,2-dichlorobicyclo[1.2.2]heptane 
C) 1,1-dichlorobicyclo[2.2.1]heptane 
D) 1,1-dichlorobicyclo[1.2.2]heptane 
E) None of these choices 
A) 7,7-dichlorobicyclo[2.2.1]heptane 
B) 2,2-dichlorobicyclo[1.2.2]heptane 
C) 1,1-dichlorobicyclo[2.2.1]heptane 
D) 1,1-dichlorobicyclo[1.2.2]heptane 
E) None of these choices

Question 6

The twist boat conformation is the preferred conformation for this compound.

Accepted Answer

A) cis-1,4-Di-tert-butylcyclohexane 
B) trans-1,4-Di-tert-butylcyclohexane 
C) cis-1,3-Di-tert-butylcyclohexane 
D) trans-1,2-Di-tert-butylcyclohexane 
E) None of these choices. 
A) cis-1,4-Di-tert-butylcyclohexane 
B) trans-1,4-Di-tert-butylcyclohexane 
C) cis-1,3-Di-tert-butylcyclohexane 
D) trans-1,2-Di-tert-butylcyclohexane 
E) None of these choices.

Question 7

What is the index of hydrogen deficiency (or degree of unsaturation)of a compound with the molecular formula of C8H3Br5O2?

Accepted Answer

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

Question 8

Catalytic hydrogenation of which of the following will yield 2-methylpentane?

Accepted Answer

A) 2-methyl-1-pentene 2 
B) 2-methyl-2-pentene 
C) 4-methyl-2-pentene 
D) 4-methyl-1-pentene 
E) All of these choices. 
A) 2-methyl-1-pentene 2 
B) 2-methyl-2-pentene 
C) 4-methyl-2-pentene 
D) 4-methyl-1-pentene 
E) All of these choices.

Question 9

What is the index of hydrogen deficiency (or degree of unsaturation)of the following molecule?

Accepted Answer

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

Question 10

What is the correct IUPAC name for the following compound?

Accepted Answer

A) trans-3-Hydroxymethyl-2-heptene 
B) trans-2-(1-methylethyl)-4-hexen-1-ol 
C) trans-5-(1-methylethyl)-2-hexen-6-ol 
D) cis-5-isopropyl-2,6-hexenol 
E) cis-2-(1-methylethyl)-4-hepten-1-ol 
A) trans-3-Hydroxymethyl-2-heptene 
B) trans-2-(1-methylethyl)-4-hexen-1-ol 
C) trans-5-(1-methylethyl)-2-hexen-6-ol 
D) cis-5-isopropyl-2,6-hexenol 
E) cis-2-(1-methylethyl)-4-hepten-1-ol

Question 11

What is the correct IUPAC name for the following compound?

Accepted Answer

A) 5-Ethyl-3-fluorohexanol 
B) 5-Ethyl-3-fluoro-1-hexanol 
C) 2-Ethyl-4-fluoro-6-hexanol 
D) 3-Fluoro-5-methyl-7-heptanol 
E) 3-Fluoro-5-methyl-1-heptanol 
A) 5-Ethyl-3-fluorohexanol 
B) 5-Ethyl-3-fluoro-1-hexanol 
C) 2-Ethyl-4-fluoro-6-hexanol 
D) 3-Fluoro-5-methyl-7-heptanol 
E) 3-Fluoro-5-methyl-1-heptanol

Question 12

Draw the Newman projection formula for the gauche conformation of the C-2-C-3 bond in pentane.

Accepted Answer

The answer of Draw the Newman projection formula for the...

Question 13

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

Accepted Answer

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

Question 14

What is the fundamental principle of the IUPAC system of nomenclature for organic compounds?

Accepted Answer

Each different compo

Question 15

Draw the bond-line structural formula corresponding to the most stable conformation of the following substance: trans-2-tert-butylcyclohexanol.

Accepted Answer

The answer of Draw the bond-line structural formula corresponding to...

Question 16

Consider the graph below,which is a plot of the relative energies of the various conformations of hexane,viewed through the C-2-C-3 bond.The conformations corresponding to the 60o and 300o are:

Accepted Answer

A) eclipsed 
B) staggered and gauche 
C) staggered and anti 
D) more stable than the conformation at 180o 
E) none of these choices 
A) eclipsed 
B) staggered and gauche 
C) staggered and anti 
D) more stable than the conformation at 180o 
E) none of these choices

Question 17

Which cycloalkane has the greatest ring strain?

Accepted Answer

A) Cyclopropane 
B) Cyclobutane 
C) Cyclopentane 
D) Cyclohexane 
E) Cycloheptane 
A) Cyclopropane 
B) Cyclobutane 
C) Cyclopentane 
D) Cyclohexane 
E) Cycloheptane

Question 18

Which of the following is bicyclo[5.2.0]nonane?

Accepted Answer

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

Question 19

How many compounds with the formula C4H11N contain a 2o amine and a single 2o carbon atom?

Accepted Answer

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

Question 20

Isopentyl is the common name for which alkyl group?

Accepted Answer

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

Exam 4: Nomenclature and Conformations of Alkanes and Cycloalkanes

A compound containing two fused or bridged rings is referred to as a ___.

What is the index of hydrogen deficiency (or degree of unsaturation)of the hormone cortisol?

Which of the following is bicyclo[4.3.0]nonane?

What product is formed when 3-cyclobutylpropan-1-ol is reacted with Pd/C and H2?

A correct name for the following compound is:

The twist boat conformation is the preferred conformation for this compound.

What is the index of hydrogen deficiency (or degree of unsaturation)of a compound with the molecular formula of C8H3Br5O2?

Catalytic hydrogenation of which of the following will yield 2-methylpentane?

What is the index of hydrogen deficiency (or degree of unsaturation)of the following molecule?

What is the correct IUPAC name for the following compound?

What is the correct IUPAC name for the following compound?

Draw the Newman projection formula for the gauche conformation of the C-2-C-3 bond in pentane.

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

What is the fundamental principle of the IUPAC system of nomenclature for organic compounds?

Draw the bond-line structural formula corresponding to the most stable conformation of the following substance: trans-2-tert-butylcyclohexanol.

Consider the graph below,which is a plot of the relative energies of the various conformations of hexane,viewed through the C-2-C-3 bond.The conformations corresponding to the 60o and 300o are:

Which cycloalkane has the greatest ring strain?

Which of the following is bicyclo[5.2.0]nonane?

How many compounds with the formula C4H11N contain a 2o amine and a single 2o carbon atom?

Isopentyl is the common name for which alkyl group?

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

What product is formed when 3-cyclobutylpropan-1-ol is reacted with Pd/C and H₂?

What is the index of hydrogen deficiency (or degree of unsaturation)of a compound with the molecular formula of C₈H₃Br₅O₂?

Consider the graph below,which is a plot of the relative energies of the various conformations of hexane,viewed through the C-2-C-3 bond.The conformations corresponding to the 60^o and 300^o are:

How many compounds with the formula C₄H₁₁N contain a 2^o amine and a single 2^ocarbon atom?