Question 1

What product is formed when cylohexa-2,5-diene-1,4-diol is reacted with Pd/C and H2?

Accepted Answer

A)  hexane-1,4-diol
2 
B)  cyclohexa-2-ene-1,4-diol 
C)  cyclohexane-1,4-diol 
D)  hexane-1,4-diol 
E)  None of the above 
A)  hexane-1,4-diol
2 
B)  cyclohexa-2-ene-1,4-diol 
C)  cyclohexane-1,4-diol 
D)  hexane-1,4-diol 
E)  None of the above

Question 2

A correct IUPAC name for the following compound is:

Accepted Answer

A)  2,5-Dimethyl-3-propylheptane 
B)  3,6-Dimethyl-5-propylheptane 
C)  6-Methyl-4-(1-methylethyl)octane 
D)  2-Methyl-3-(2-methylbutyl)hexane 
E)  3-Methyl-5-(1-methylethyl)octane 
A)  2,5-Dimethyl-3-propylheptane 
B)  3,6-Dimethyl-5-propylheptane 
C)  6-Methyl-4-(1-methylethyl)octane 
D)  2-Methyl-3-(2-methylbutyl)hexane 
E)  3-Methyl-5-(1-methylethyl)octane

Question 3

The least stable conformation of butane is:

Accepted Answer

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

Question 4

The least stable conformation of 2,3-dimethylpentane,viewed through the C-2-C-3 bond (i.e. ,C-2 in the front,C-3 in the back):

Accepted Answer

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

Question 5

_____________________ have the same molecular formula and connectivity but different arrangements of atoms in three-dimensional space.

Accepted Answer

The answer of _____________________ have the same molecular formula and...

Question 6

An IUPAC name for   is:

Accepted Answer

A)  3-Isobutyl-2,4-dimethylhexane 
B)  3-sec-Butyl-2,5-dimethylhexane 
C)  4-sec-Butyl-2,5-dimethylhexane 
D)  4-Isopropyl-2,5-dimethylheptane 
E)  4-Isopropyl-3,6-dimethylheptane 
A)  3-Isobutyl-2,4-dimethylhexane 
B)  3-sec-Butyl-2,5-dimethylhexane 
C)  4-sec-Butyl-2,5-dimethylhexane 
D)  4-Isopropyl-2,5-dimethylheptane 
E)  4-Isopropyl-3,6-dimethylheptane

Question 7

When more than one substituent is present on the parent chain,how do we organize the names of the substituents in the name of the compound? ___________________________.

Accepted Answer

The answer of When more than one substituent is present...

Question 8

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 the above 
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 the above

Question 9

How many moles of hydrogen (H2)will react with cis-2,3,3-trimethylhepta-1,5-diene?

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 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

What is the common name for this compound?

Accepted Answer

A)  Isobutyl bromide 
B)  tert-Butyl bromide 
C)  Butyl bromide 
D)  sec-Butyl bromide 
E)  Bromo-sec-butane 
A)  Isobutyl bromide 
B)  tert-Butyl bromide 
C)  Butyl bromide 
D)  sec-Butyl bromide 
E)  Bromo-sec-butane

Question 12

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 13

What is the correct IUPAC name for the following compound?

Accepted Answer

A)  5-Ethyl-3-methylhexanol 
B)  5-Ethyl-3-methyl-1-hexanol 
C)  2-Ethyl-4-methyl-6-hexanol 
D)  3,5-Dimethyl-7-heptanol 
E)  3,5-Dimethyl-1-heptanol 
A)  5-Ethyl-3-methylhexanol 
B)  5-Ethyl-3-methyl-1-hexanol 
C)  2-Ethyl-4-methyl-6-hexanol 
D)  3,5-Dimethyl-7-heptanol 
E)  3,5-Dimethyl-1-heptanol

Question 14

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 15

-Which of the above 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 16

The most stable conformation for 1,2-ethanediol (ethylene glycol)is shown below.It is the most stable conformation because:

Accepted Answer

A)  this corresponds to an anti conformation. 
B)  in general,gauche conformations possess the minimum energy. 
C)  it is stabilized by intramolecular hydrogen bonding. 
D)  it is a staggered conformation. 
E)  it has the highest energy of all the possibilities. 
A)  this corresponds to an anti conformation. 
B)  in general,gauche conformations possess the minimum energy. 
C)  it is stabilized by intramolecular hydrogen bonding. 
D)  it is a staggered conformation. 
E)  it has the highest energy of all the possibilities.

Question 17

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 
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

Question 18

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 19

cis-1,3-Dibromocyclohexane is represented by structure(s):

Accepted Answer

A)  I 
B)  II 
C)  III 
D)  II and III 
E)  I and II 
A)  I 
B)  II 
C)  III 
D)  II and III 
E)  I and II

Question 20

How many moles of hydrogen (H2)will react with cylohexa-2,5-diene-1,4-diol?

Accepted Answer

A)  1
2 
B)  2 
C)  3 
D)  4 
E)  None of the above 
A)  1
2 
B)  2 
C)  3 
D)  4 
E)  None of the above

Exam 4: Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis

What product is formed when cylohexa-2,5-diene-1,4-diol is reacted with Pd/C and H2?

A correct IUPAC name for the following compound is:

The least stable conformation of butane is:

The least stable conformation of 2,3-dimethylpentane,viewed through the C-2-C-3 bond (i.e. ,C-2 in the front,C-3 in the back):

_____________________ have the same molecular formula and connectivity but different arrangements of atoms in three-dimensional space.

An IUPAC name for is:

When more than one substituent is present on the parent chain,how do we organize the names of the substituents in the name of the compound? ___________________________.

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

How many moles of hydrogen (H2)will react with cis-2,3,3-trimethylhepta-1,5-diene?

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

What is the common name for this compound?

The IUPAC name for is:

What is the correct IUPAC name for the following compound?

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

-Which of the above is bicyclo[4.3.0]nonane?

The most stable conformation for 1,2-ethanediol (ethylene glycol)is shown below.It is the most stable conformation because:

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

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

cis-1,3-Dibromocyclohexane is represented by structure(s):

How many moles of hydrogen (H2)will react with cylohexa-2,5-diene-1,4-diol?

Carbon Compounds and Chemical Bonds

Representative Carbon Compounds: Functional Groups, Intermolecular Forces, and Infrared Ir Spectroscopy

An Introduction to Organic Reactions: Acids and Bases

Stereochemistry: Chiral Molecules

Ionic Reactions - Nucleophilic Substitution and Elimination Reactions of Alkyl Halides

Alkenes and Alkynes I: Properties and Synthesis, Elimination Reactions of Alkyl Halides

Alkenes and Alkynes Ii: Addition Reactions

Nuclear Magnetic Resonance and Mass Spectrometry: Tools for Structure Determination

Radical Reactions

Alcohols and Ethers

Alcohols From Carbonyl Compounds Oxidation-Reduction and Organometallic Compounds

Conjugated Unsaturated Systems

Aromatic Compounds

Reactions of Aromatic Compounds

Aldehydes and Ketones I Nucleophilic Addition to the Carbonyl Group

Aldehydes and Ketones Ii Aldol Reactions

Carboxylic Acids and Their Derivatives Nucleophilic Addition - Elimination at the Acyl Carbon

Synthesis and Reactions of Beta-Dicarbonyl Compounds: More Chemistry of Enolate Ions

Amines

Phenols and Aryl Halides: Nucleophilic Aromatic Substitution

Carbohydrates

Lipids

Amino Acids and Proteins

Nucleic Acids and Protein Synthesis

Filters

What product is formed when cylohexa-2,5-diene-1,4-diol is reacted with Pd/C and H₂?

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

How many moles of hydrogen (H₂)will react with cis-2,3,3-trimethylhepta-1,5-diene?

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

How many moles of hydrogen (H₂)will react with cylohexa-2,5-diene-1,4-diol?