Ch4 Full Test Bank Nomenclature And Conformations Of Alkanes - Organic Chemistry 13e | Test Bank by Solomons by Graham Solomons. DOCX document preview.
Package Title: Solomons Test Bank
Course Title: Solomons 13e
Chapter Number: 4
Question type: multiple choice
1) Which of the following pairs of compounds represent pairs of constitutional isomers?
a) 2-Methylbutane and pentane
b) 2-Chlorohexane and 3-chlorohexane
c) sec-Butyl bromide and tert-butyl bromide
d) Propyl chloride and isopropyl chloride
e) All of these choices.
Topic: Nomenclature
Section: 4.2
Difficulty Level: Easy
2) How many constitutional isomers are possible for the formula C6H14?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: General
Section: 4.2
Difficulty Level: Easy
3) What is the simplest alkane, i.e., the one with the smallest molecular weight, which possesses primary, secondary and tertiary carbon atoms?
a) 2-Methylpropane
b) 2-Methylbutane
c) 2-Methylpentane
d) 3-Methylpentane
e) 2,2-Dimethylbutane
Topic: General
Section: 4.2 and 4.3
Difficulty Level: Easy
4) How many alkanes of formula C7H16 possess a quaternary carbon atom?
a) 1
b) 2
c) 3
d) 4
e) 5
Topic: General
Section: 4.2 and 4.3
Difficulty Level: Medium
5) The IUPAC name for 
is:
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
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
6) An IUPAC name for 
is:
a) 5-Methyl-4-(1-methylpropyl)hexane
b) 2-Methyl-3-(1-methylpropyl)hexane
c) 2-Methyl-3-(2-methylpropyl)hexane
d) 3-Methyl-4-(1-methylethyl)heptane
e) 5-Methyl-4-(1-methylethyl)heptane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
7) A correct IUPAC name for the following compound is:
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
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
8) Which of these is the common name for the 1,1-dimethylpropyl group?
a) tert-Butyl
b) tert-Pentyl
c) Isopentyl
d) Neopentyl
e) sec-Pentyl
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
9) An IUPAC name for the group 
is:
a) Isopentyl
b) Isoamyl
c) sec-Butylmethyl
d) 2-Methylbutyl
e) 2-Ethylpropyl
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
10) The neopentyl group has the alternative name:
a) 1,1-Dimethylpropyl
b) 1,2-Dimethylpropyl
c) 2,2-Dimethylpropyl
d) 1-Methylbutyl
e) 2-Methylbutyl
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
11) Isopentyl is the common name for which alkyl group?
a) 
b) 
c) 
d) 
e) 
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
12) Neglecting stereochemistry, which of these common group names is ambiguous, i.e., does not refer to one specific group?
a) Butyl
b) sec-Butyl
c) tert-Pentyl
d) Neopentyl
e) sec-Pentyl
Topic: Nomenclature
Section: 4.3
Difficulty Level: Hard
13) What is a correct name for the following compound?
a) 3-Isobutyl-2-methylheptane
b) 3-sec-Butyl-2-methyloctane
c) 5-Isobutyl-6-methylheptane
d) 2-Ethyl-3-isopropyloctane
e) 4-Isopropyl-3-methylnonane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
14) Provide a name for the following compound:
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
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
15) Provide a name for the following compound:
a) 4-Isobutyl-3,4-dimethylheptane
b) 4-sec-Butyl-2,4-dimethylheptane
c) 2,4,5-Trimethyl-4-propylheptane
d) 3,4,6-Trimethyl-4-propylheptane
e) 4-Isobutyl-4,5-dimethylheptane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
16) How many compounds with the formula C7H16 (heptanes) contain a single 3° carbon atom?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: General
Section: 4.2, 4.3
Difficulty Level: Medium
17) How many compounds with the formula C4H11N contain a 2o amine and a single 2o carbon atom?
a) 0
b) 1
c) 2
d) 3
e) 4
Topic: General
Section: 4.2, 4.3
Difficulty Level: Medium
18) What is the common name for this compound?
a) Isobutyl bromide
b) tert-Butyl bromide
c) Butyl bromide
d) sec-Butyl bromide
e) Bromo-sec-butane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
19) Provide a name for the following compound:
a) 2-Bromo-4-chloro-4-isopropylpentane
b) 4-Bromo-2-chloro-2-isopropylpentane
c) 5-Bromo-3-chloro-2,3-dimethylhexane
d) 2-Bromo-4-chloro-4,5-dimethylhexane
e) 2-(2-Bromopropyl)-2-chloro-3-methylbutane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
20) What is the correct IUPAC name for the following compound?
a) 3-Hydroxymethylheptane
b) 3-Hydroxymethylhexane
c) 3-Methyloxyheptane
d) 2-Ethyl-1-hexanol
e) 2-Ethyl-1-heptanol
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
21) What is the correct IUPAC name for the following compound?
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
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
22) What is the correct IUPAC name for the following compound?
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
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
23) Which of the following is a correct name which corresponds to the common name tert-pentyl alcohol?
a) 2,2-Dimethyl-1-propanol
b) 2-Ethyl-2-propanol
c) 2-Methyl-2-butanol
d) 3-Methyl-1-butanol
e) Methyl tert-butanol
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
24) A correct IUPAC name for the following compound is:
a) 4-propyl-5-chloro-3-heptanol
b) 4-propyl-3-chloro-5-heptanol
c) 4-(1-chloropropyl)-3-heptanol
d) 5-chloro-4-propyl-3-heptanol
e) 3-hydroxy-4-propyl-5-chloroheptane
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
25) Provide a name for the following compound:
a) 1-Hydroxy-3-sec-butylcyclopentane
b) 3-sec-Butyl-1-cyclopentanol
c) 1-sec-Butyl-3-cyclopentanol
d) 4-sec-Butyl-1-cyclopentanol
e) 3-Isobutyl-1-cyclopentanol
Topic: Nomenclature
Section: 4.3
Difficulty Level: Hard
26) The correct IUPAC name for the following compound is:
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
Topic: Nomenclature
Section: 4.3 and 4.4
Difficulty Level: Hard
27) The correct IUPAC name for the following compound is:
a) 5-(1-pentanolyl)-cyclobutane
b) 5-cyclobutyl-1-pentanol
c) 1-cyclobutyl-5-pentanol
d) 1-(5-pentanolyl)-cyclobutane
e) none of these choices
Topic: Nomenclature
Section: 4.3 and 4.4
Difficulty Level: Hard
28) Which of the following is bicyclo[3.2.2]nonane?
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
29) Which compound is a bicycloheptane?
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
30) Which is the correct name for the compound shown below?
a) Bicyclo[2.2.0]hexane
b) Bicyclo[2.2.0]butane
c) Bicyclo[2.2.2]hexane
d) Bicyclo[2.2.1]hexane
e) Disquarane
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
31) What is the name of this compound?
a) Bicyclo[2.2.2]octane
b) Bicyclo[3.2.1]octane
c) Bicyclo[4.1.1]octane
d) Bicyclo[4.2.0]octane
e) Bicyclo[3.3.0]octane
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
32) Which of the following is bicyclo[3.3.1]nonane?
A) I
B) II
C) III
D) IV
E) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
33) Which of the following is bicyclo[5.2.0]nonane?
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
34) Which of the following is bicyclo[4.3.0]nonane?
A) I
B) II
C) III
D) IV
E) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
35) Which of the following structures represents bicyclo[3.2.1]octane?
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.4
Difficulty Level: Easy
36) A correct name for the following compound is:
a) 2-Methylbicyclo[4.3.0]nonane
b) 1-Methylbicyclo[4.3.1]nonane
c) 7-Methylbicyclo[4.3.0]nonane
d) 2-Methylbicyclo[4.3.1]nonane
e) 1-Methylbicyclo[4.3.0]nonane
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
37) What is the correct name of the following compound?
a) 1-Chlorobicyclo[4.1.1]octane
b) 2-Chlorobicyclo[4.1.0]octane
c) 2-Chlorobicyclo[4.1.1]octane
d) 2-Chlorobicyclo[4.1.1]heptane
e) 5-Chlorobicyclo[4.1.1]octane
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
38) A correct name for the following compound is:
a) 3-Chloro-8-methylbicyclo[4.3.0]nonane
b) 8-Methyl-3-chlorobicyclo[4.3.1]nonane
c) 3-Methyl-7-chlorobicyclo[4.3.0]nonane
d) 3-Methyl-7-chlorobicyclo[4.3.1]decane
e) 3-Chloro-8-methyl[4.3.0]bicyclononane
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
39) A correct name for the following compound is:
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
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
40) A correct name for the following compound is:
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
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
41) A correct IUPAC name for the following compound is:
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
Topic: Nomenclature
Section: 4.5
Difficulty Level: Medium
42) What is the correct IUPAC name for the following compound?
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
Topic: Nomenclature
Section: 4.5
Difficulty Level: Hard
43) Give the IUPAC name for
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
Topic: Nomenclature
Section: 4.6
Difficulty Level: Easy
44) Give the IUPAC name for
a) trans-2-methyl-3-hepten-5-yne
b) trans-6-methyl-4-hepten-2-yne
c) cis-2-methyl-3-hepten-5-yne
d) cis-6-methyl-4-hepten-2-yne
e) none of these choices
Topic: Nomenclature
Section: 4.6
Difficulty Level: Hard
45) The IUPAC name for diisobutylacetylene is
a) 2,7-Dimethyl-4-octene
b) 2,7-Dimethyl-4-octyne
c) 3,6-Dimethyl-4-octyne
d) 2,5-Diethyl-3-hexyne
e) 2,2,5,5-Tetramethyl-3-hexyne
Topic: Nomenclature
Section: 4.6
Difficulty Level: Easy
46) The least stable conformation of butane is:
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Easy
47) The most stable conformation of butane is:
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Easy
48) The most stable conformation of 1,2-dibromoethane is:
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Easy
49) Which conformation(s) of 1,2-dibromoethane does not illustrate one or more gauche interactions?
a) I and II only
b) II, III, and V only
c) I, III, and IV only
d) II and III only
e) All these choices
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
50) The most stable conformation of 3-bromo-2-methylpentane, viewed through the
C-3—C-4 bond (i.e., C-3 in the front, C-4 in the back):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
51) The most stable conformation of 2,3-dibromobutane, viewed through the C-2—C-3 bond :
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
52) Which conformation(s) show(s) the bromines in a gauche orientation for 2,3-dibromobutane, viewed through the C-2—C-3 bond?
a) I and II only
b) III and IV only
c) I and V only
d) II only
e) None of these choices.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
53) The least stable conformation of 3-bromo-2-methylpentane, viewed through the
C-3—C-4 bond (i.e., C-3 in the front, C-4 in the back):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
54) 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:
a) eclipsed
b) staggered and gauche
c) staggered and anti
d) more stable than the conformation at 180o
e) none of these choices
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
55) Consider the graph below, which is a plot of the relative energies of the various conformations of 2,3-dimethylbutane, viewed through the C-2—C-3 bond. The conformations corresponding to the 120o and 240o are:
a) eclipsed, more stable than the conformation at 0o
b) eclipsed, more stable than the conformation at 180o
c) staggered, more stable than the conformation at 0o
d) staggered, less stable than the conformation at 180o
e) two of these choices are true
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
56) Which staggered Newman projection(s), looking down the C-2—C-3 bond (C-2 in front and C-3 in back), illustrates the following boxed compound?
a) I, II and V
b) II and V
c) III and IV
d) V only
e) None of these choices.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
57) Which staggered Newman projection(s), looking down the C-2—C-3 bond (C-2 in front and C-3 in back), illustrates the following boxed compound?
a) I, II and III
b) II and V
c) I and II
d) V only
e) None of these choices.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
58) Which staggered Newman projection(s), looking down the C-3—C-4 bond (C-3 in front and C-4 in back), illustrate(s) the following boxed compound?
a) I, II and III
b) II and V
c) I and II
d) III only
e) None of these choices.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
59) 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?
a) I only
b) II and V
c) I and II
d) III only
e) None of these choices.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
60) The graph below is a plot of the relative energies of the various conformations of:
a) Ethane
b) Propane
c) Chloroethane
d) 1-Chloropropane (C1-C2 rotation)
e) Butane (C1-C2 rotation)
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
61) The graph below is a plot of the relative energies of the various conformations of:
a) 2-chloropropane
b) 1,3-dichloropropane
c) 2-methylpropane
d) Butane (C1-C2 rotation)
e) Butane (C2-C3 rotation)
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Hard
62) The most stable conformation for 1,2-ethanediol (ethylene glycol) is shown below. It is the most stable conformation because
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.
Topic: Conformational Analysis
Section: 2.13 and 4.8
Difficulty Level: Medium
63) The most stable conformation of 3-bromo-2-methylpentane, viewed through the
C-2—C-3 bond (i.e., C-2 in the front, C-3 in the back):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
64) The least stable conformation of 3-bromo-2-methylpentane, viewed through the
C-2—C-3 bond (i.e., C-2 in the front, C-3 in the back):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
65) The most 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):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
66) 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):
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
67) Which cycloalkane has the greatest ring strain?
a) Cyclopropane
b) Cyclobutane
c) Cyclopentane
d) Cyclohexane
e) Cycloheptane
Topic: Ring Strain
Section: 4.10
Difficulty Level: Easy
68) Which cycloalkane has the least ring strain?
a) Cyclopropane
b) Cyclobutane
c) Cyclopentane
d) Cyclohexane
e) Cycloheptane
Topic: Ring Strain
Section: 4.10
Difficulty Level: Easy
69) Which is the most stable conformation of cyclohexane?
a) Chair
b) Twist
c) Boat
d) Half-chair
e) Staggered
Topic: Ring Strain
Section: 4.11
Difficulty Level: Easy
70) The least stable conformation of cyclohexane is the
a) boat.
b) twist boat.
c) chair.
d) half-chair.
e) twist chair.
Topic: Conformational Analysis
Section: 4.11
Difficulty Level: Easy
71) The preferred conformation of cis-3-tert-butyl-1-methylcyclohexane is the one in which:
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 exists in a boat conformation.
Topic: Conformational Analysis
Section: 4.12
Difficulty Level: Medium
72) Select the systematic name for
a) cis-1,3-Dichlorocyclopentane
b) trans-1,4-Dichlorocyclopentane
c) cis-1,2-Dichlorocyclopentane
d) trans-1,3-Dichlorocyclopentane
e) 1,1-Dichlorocyclopentane
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Easy
73) trans-1,2-Dibromocyclohexane is represented by structure(s):
a) I
b) II
c) III
d) II and III
e) I and II
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Medium
74) cis-1,2-Dibromocyclohexane is represented by structure(s):
a) I
b) II
c) III
d) II and III
e) I and II
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Medium
75) cis-1,3-Dibromocyclohexane is represented by structure(s):
a) I
b) II
c) III
d) II and III
e) I and II
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Medium
76) What is the name of the IUPAC name of the following compound?
a) trans-4-chlorocyclohexan-1-ol
b) cis-1-chlorocyclohexan-4-ol
c) trans-4-chlorocyclohexanol
d) cis-4-chlorocyclohexanol
e) none of these choices
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Medium
77)
Which of the following is a conformer of trans-1,2-diethylcyclohexane?
a) I and II
b) I, II and III
c) I and IV
d) all of these choices
e) none of these choices
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Medium
78) What is the most thermodynamically stable chair conformation for the substituents on cis-4-tert-butylcyclohexanol?
a) both groups equatorial
b) both groups axial
c) tert-butyl group equatorial and OH group axial
d) tert-butyl group axial and OH group equatorial
e) a boat conformation is adopted due to steric strain
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Hard
79) What structure represents the most stable conformation of cis-1,3-dimethylcyclohexane?
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Medium
80) The twist boat conformation is the preferred conformation for this compound.
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.
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Medium
81) Select the structure for cis-3-methyl-6-vinylcyclohexene.
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Easy
82) The most stable conformation of cis-1-tert-butyl-2-methylcyclohexane is the one in which:
a) the tert-butyl group is axial and the methyl group is equatorial in a chair conformation.
b) the methyl group is axial and the tert-butyl group is equatorial in a chair conformation .
c) both groups are axial in a chair conformation.
d) both groups are equatorial in a chair conformation.
e) the twist boat conformation is adopted.
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
83) The most stable conformation of trans-1-tert-butyl-2-methylcyclohexane is the one in which:
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.
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
84) The most stable conformation of trans-1-tert-butyl-3-methylcyclohexane is the one in which:
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 twist boat conformation is adopted.
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
85) In the most stable conformation of cis-1,4-dimethylcyclohexane, the methyl groups are:
a) one axial, one equatorial.
b) both axial.
c) both equatorial.
d) alternating between being both axial and both equatorial.
e) None of these choices.
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
86) Which conformation of trans-1-isopropyl-3-methylcyclohexane would be present in greatest amount at equilibrium?
a) The conformation with the methyl group equatorial and the isopropyl group axial.
b) The conformation with the methyl group axial and the isopropyl group equatorial.
c) The conformation with both groups axial.
d) The conformation with both groups equatorial.
e) The twist boat conformation.
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
87) Which conformation represents the most stable conformation of trans-1-bromo-4-methylcyclohexane?
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
88) Which of the following will have the same energy after undergoing ring flip?
a) I
b) II
c) III
d) IV
e) V
Topic: Conformational Analysis
Section: 4.11, 4.12, and 4.13
Difficulty Level: Medium
89) Which of the following can be described as cis isomers?
a) I
b) II, V
c) III, IV
d) I, III and IV
e) None of these choices are cis isomers.
Topic: Cis-Trans Isomers
Section: 4.12 and 4.13
Difficulty Level: Easy
90) Which of the following can be described as trans isomers?
a) I
b) II, V
c) III, IV
d) I, III and IV
e) None of these choices are trans isomers.
Topic: Cis-Trans Isomers
Section: 4.12 and 4.13
Difficulty Level: Easy
91) Which of these C10H18 isomers is predicted to be the most stable?
a) I
b) II
c) III
d) IV
e) V
Topic: Ring Strain
Section: 4.14
Difficulty Level: Medium
92) Select the reagents necessary to convert cyclopentene into cyclopentane.
a) H2 and Ni
b) H2O
c) Heat
d) Zn, H3O+
e) Light
Topic: Alkane Synthesis
Section: 4.16
Difficulty Level: Easy
93) Which alkene would yield 3-methylpentane when subjected to catalytic hydrogenation?
a) 
b) 
c) 
d) 
e) 
Topic: Catalytic hydrogenation
Section: 4.16
Difficulty Level: Easy
94) Catalytic hydrogenation of which of the following will yield 2-methylpentane?
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.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
95) How many moles of hydrogen (H2) will react with trans,trans-hepta-3,5-dien-1-yne?
a) 1
2
b) 2
c) 3
d) 4
e) 5
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
96) How many moles of hydrogen (H2) will react with 3-cyclobutylpropan-1-ol?
a) 1
2
b) 2
c) 3
d) 4
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
97) How many moles of hydrogen (H2) will react with 5-chlorocyclohex-3-en-1-ol?
a) 1
2
b) 2
c) 3
d) 4
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
98) How many moles of hydrogen (H2) will react with cylohexa-2,5-diene-1,4-diol?
a) 1
2
b) 2
c) 3
d) 4
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
99) How many moles of hydrogen (H2) will react with 3-vinylcyclo-2-penten-1-ol?
a) 0
2
b) 1
c) 2
d) 3
e) 4
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
100) How many moles of hydrogen (H2) will react with trans-1,2-dimethylcyclohexane?
a) 0
2
b) 1
c) 2
d) 3
e) 4
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
101) How many moles of hydrogen (H2) will react with cis-2,3,3-trimethylhepta-1,5-diene?
a) 0
2
b) 1
c) 2
d) 3
e) 4
Topic: Alkane Synthesis, Nomenclature
Section: 4.16
Difficulty Level: Medium
102) What product is formed when trans-1,2-dimethylcyclohexane is reacted with Pd/C and H2?
a) No reaction
2
b) cis-1,2-dimethylcyclohexane
c) trans-3,4-dimethylhexane
d) trans-1,2-dimethylhexane
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Easy
103) What product is formed when cis-2,3,3-trimethylhepta-1,5-diene is reacted with Pd/C and H2?
a) cis-5,5,6-trimethylhept-2-ene
2
b) 2,3,3-trimethylhept-1-ene
c) 5,5,6-trimethylheptane
d) 2-isopropyl-2-methylhexane
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Medium
104) What product is formed when 3-cyclobutylpropan-1-ol is reacted with Pd/C and H2?
a) 3-cyclobutylpropane 2
b) 1-propanol
c) No reaction
d) hexane
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Medium
105) What product is formed when 5-chlorocyclohex-3-en-1-ol is reacted with Pd/C and H2?
a) 5-chlorocyclohexanol
2
b) 3-chlorocyclohexanol
c) 5-chloro-3-hexanol
d) 2-chloro-4-hexanol
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Medium
106) What product is formed when 3-vinylcyclo-2-penten-1-ol is reacted with Pd/C and H2?
a) 3-vinylcyclopentanol
2
b) 3-ethylcyclo-2-penten-1-ol
c) 4-ethylcyclopentanol
d) 3-ethylcyclopentanol
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Medium
107) What product is formed when 2,3,3-trimethylhept-1-en-6-yne is reacted with Pd/C and H2?
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.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16A
Difficulty Level: Medium
108) What product is formed when cyclohexa-2,5-diene-1,4-diol is reacted with Pd/C and H2?
a) hexane-1,4-diol
2
b) cyclohex-2-ene-1,4-diol
c) cyclohexane-1,4-diol
d) hexane-1,4-diol
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Hard
109) What product is formed when trans,trans-hepta-3,5-dien-1-yne is reacted with Pd/C and H2?
a) heptane
2
b) 1-heptyne
c) 1-ethylpentane
d) trans-2-heptene
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Hard
110) What is the index of hydrogen deficiency (or degree of unsaturation) of benzene (C6H6)?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
111) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
112) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
113) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
114) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
115) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
116) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
117) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
118) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C6H2O2?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
119) What is the index of hydrogen deficiency (or degree of unsaturation) for retinol?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
120) What is the index of hydrogen deficiency (or degree of unsaturation) for the drug lidocaine?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
121) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C8H3Br5O2?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
122) What is the index of hydrogen deficiency (or degree of unsaturation) for the drug Cetilistat?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
123) What is the index of hydrogen deficiency (or degree of unsaturation) for the following molecule?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
124) What is the index of hydrogen deficiency (or degree of unsaturation) of the following molecule?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
125) What is the index of hydrogen deficiency (or degree of unsaturation) of the following compound?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
126) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C21H30O5?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
127) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C14H14Cl4?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
128) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C9H18N2?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
129) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C7H7NOS?
a) 2
b) 3
c) 4
d) 5
e) 6
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
130) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C6H5BrClN?
a) 0
b) 1
c) 2
d) 3
e) 4
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
131) What is the index of hydrogen deficiency (or degree of unsaturation) of the hormone cortisol?
a) 3
b) 4
c) 5
d) 6
e) 7
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Hard
132) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of C11H20Br3F4N3O3?
a) 0
b) 1
c) 2
d) 3
e) 4
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Hard
133) What is the index of hydrogen deficiency (or degree of unsaturation) of a compound with the molecular formula of H6N4O3?
a) 0
b) 1
c) 2
d) 3
e) 4
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Hard
134) What is the index of hydrogen deficiency (or degree of unsaturation) for the drug morphine?
a) 6
b) 7
c) 8
d) 9
e) 10
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Hard
135) Which of the following compounds has a molecular formula of C6H7O+ and an index of hydrogen deficiency of 4?
a) I
b) I and II
c) I, II and III
d) II and IV
e) all of these choices
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Medium
136) Which statement(s) is/are true about a molecule with the molecular formula C10H20, that when subjected to catalytic hydrogenation there is no consumption of hydrogen?
a) The molecule has no degrees of unstaturation.
2
b) There is one degree of unsaturation, which happens to be a pi bond.
c) There are two degrees of unsaturation where one is a ring and the other is a pi bond.
d) There is one degree of unsaturation, which happens to be a ring.
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16A and 4.17
Difficulty Level: Medium
137) Which statement(s) is/are true about a molecule with the molecular formula C10H14O, that when subjected to Pd/C and H2 in ethyl acetate, there is a consumption of 2 moles of hydrogen?
a) The molecule has no degrees of unsaturation.
2
b) There are four degrees of unsaturation, where two come from either two alkenes or one alkyne and the other two are either two rings or one ring and a carbonyl.
c) There are two degrees of unsaturation where they were either two alkenes or one alkyne.
d) There are four degrees of unsaturation, which come from a mixture of alkenes and alkynes, that is why four hydrogens are added.
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.16 and 4.17
Difficulty Level: Medium
138) What is the major product formed after treating the following molecule with excess H2 in the presence of Pd/C catalyst?
a) cis-3-penten-1-ol
b) cis-2-penten-5-ol
c) 1-pentanol
d) pentane
e) none of these choices
Topic: Alkane Synthesis, Nomenclature
Section: 4.16 and 4.17
Difficulty Level: Medium
Question type: True/false
139) The IUPAC nomenclature priority for alkyl groups on a parent chain is determined by the alphabetical order of the groups.
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
140) Eclipsed conformations are thermodynamically more unstable than staggered conformations due to steric repulsions.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
141) The anti conformation is by definition always the lowest energy conformation possible for a bond rotation.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
142) Chair conformations for cyclohexane systems are always the lowest energy conformation possible.
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Medium
143) If a molecule has an index of hydrogen deficiency equal to zero that means that the molecule must be acyclic.
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy
Question type: fill-in-the-blank
144) Alkanes in which some or all of the carbon atoms are arranged in a ring are called ___.
Topic: Nomenclature
Section: 4.1
Difficulty Level: Easy
145) What is the fundamental principle of the IUPAC system of nomenclature for organic compounds?
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
146) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.3
Difficulty Level: Easy
147) To determine the parent name for an alkane, we begin by finding the ___.
Topic: General
Section: 4.3
Difficulty Level: Easy
148) 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? ___.
Topic: Nomenclature
Section: 4.3B
Difficulty Level: Easy
149) What are the four possible parts of an IUPAC name?
Topic: Nomenclature
Section: 4.3
Difficulty Level: Medium
150) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.3 and 4.4
Difficulty Level: Hard
151) A compound containing two fused or bridged rings is referred to as a ___.
Topic: General
Section: 4.4
Difficulty Level: Easy
152) In a bicyclic compound, the carbon atoms common to both rings are called ___.
Topic: General
Section: 4.4
Difficulty Level: Easy
153) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.4
Difficulty Level: Medium
154) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.4
Difficulty Level: Medium
155) Draw the bond-line structural formula corresponding to the name: trans-1,6-dichlorobicyclo[4.4.0]decane.
Topic: Nomenclature
Section: 4.4
Difficulty Level: Hard
156) A compound containing a triple bond between the first two carbons in the chain is called a ___.
Topic: General
Section: 4.6
Difficulty Level: Easy
157) Draw the bond-line structural formula corresponding to the name: 2,5,9-trimethyl-2-decen-7-yne
Topic: Nomenclature
Section: 4.6
Difficulty Level: Medium
158) When non-bonded atoms/groups are closely positioned, the repulsive interactions between their electron clouds are referred to as ___.
Topic: General
Section: 4.8
Difficulty Level: Easy
159) Draw the Newman projection formula for the gauche conformation of the C-2—C-3 bond in pentane.
Topic: Alkane Conformations
Section: 4.8
Difficulty Level: Easy
160) Draw the Newman projection formula for the most stable conformation of the C2-C3 bond in 3-methylpentane.
Topic: Alkane Conformations
Section: 4.8
Difficulty Level: Easy
161) ____ have the same molecular formula and connectivity but different arrangements of atoms in three-dimensional space.
Topic: General
Section: 4.9
Difficulty Level: Easy
162) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.11 and 4.13
Difficulty Level: Easy
163) Give the IUPAC name corresponding to the following structure:
Topic: Nomenclature
Section: 4.11 and 4.13
Difficulty Level: Medium
Question type: molecular drawing
164) Draw the bond-line structural formula corresponding to the most stable conformation of the following substance: trans-1-bromo-3-(1-methylpropyl)cyclohexane
Topic: Nomenclature, Conformations
Section: 4.11, 4.12, and 4.13
Difficulty Level: Hard
165) Draw the bond-line structural formula corresponding to the most stable conformation of the following substance: trans-2-tert-butylcyclohexanol.
Topic: Nomenclature, Conformations
Section: 4.11, 4.12, and 4.13
Difficulty Level: Hard
Question type: essay
166) Unknown compound X was found to absorb two equivalents of hydrogen gas when subjected to catalytic hydrogenation conditions with Pd/C, and the chemical formula of the product was determined to be C4H10. If compound X was found to have a sharp IR absorption around 3300 cm–1 determine its structure.
Topic: Alkane Synthesis, Nomenclature
Section: 2.15, 4.16 and 4.17
Difficulty Level: Hard
167) trans-1,3-Dibromocyclohexane is represented by structure(s):
a) I
b) II
c) III
d) II and III
e) I and II
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Medium
168)Which of the following is a conformer of cis-1,2-diethylcyclohexane?
a) I and II
b) I, II and III
c) I and IV
d) all of these choices
e) none of these choices
Topic: Conformational Analysis
Section: 4.13
Difficulty Level: Medium
169) Select the structure for trans-3-methyl-6-vinylcyclohexene.
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Easy
170) Select the structure for cis-4-methyl-5-vinylcyclohexene.
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Easy
171) Select the structure for cis-5-methyl-3-vinylcyclohexene.
a) I
b) II
c) III
d) IV
e) V
Topic: Nomenclature
Section: 4.5, 4.13
Difficulty Level: Easy
172) Which alkene would yield 2-methylpentane when subjected to catalytic hydrogenation?
a)
b)
c)
d)
e) None of these choices.
Topic: Catalytic hydrogenation
Section: 4.16
Difficulty Level: Easy
173) Which alkene would yield n-pentane when subjected to catalytic hydrogenation?
a)
b)
c)
d)
e) More than one of these choices.
Topic: Catalytic hydrogenation
Section: 4.16
Difficulty Level: Easy
174) What product is formed when cis-1,2-dimethylcyclohexane is reacted with Pd/C and H2?
a) No reaction
2
b) trans-1,2-dimethylcyclohexane
c) trans-3,4-dimethylhexane
d) trans-1,2-dimethylhexane
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Easy
175) What product is formed when cis-2,3,3-trimethylhepta-1,5-diene is reacted with Pd/C and H2?
a) cis-5,5,6-trimethylhept-2-ene
2
b) 2,3,3-trimethylhept-1-ene
c) 2,3,3-trimethylheptane
d) 2-isopropyl-2-methylhexane
e) None of these choices.
Topic: Alkane Synthesis, Nomenclature
Section: 4.3 and 4.16
Difficulty Level: Medium
176) Eclipsed conformations are thermodynamically stable than staggered conformations due to steric repulsions.
Topic: Conformational Analysis
Section: 4.8
Difficulty Level: Medium
177) If a molecule has an index of hydrogen deficiency equal to one that means that the molecule must be cyclic.
Topic: Index of Hydrogen Deficiency
Section: 4.17
Difficulty Level: Easy