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List n-hexane, 2, 3-dimethylbutane, and 2-methylpentane in order of increasing boiling point.


A) 2,3 -dimethylbutane <2 -methylpentane <n -hexane

B) 2 -methylpentane <n -hexane <2,3 -dimethylbutane

C) 2 -methylpentane <2,3 -dimethylbutane <n -hexane

D) n -hexane <2 -methylpentane <2,3 -dimethylbutane
E) n -hexane <2,3 -dimethylbutane <2 -methylpentane

F) B) and D)
G) None of the above

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Arrange the following amines in order of increasing boiling point (that is, lowest bp to highest bp): (CH3)2CHCH2CH2NH2,(CH3)2CHN(CH3)2, and (CH3)2CHCH2NHCH3. \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { NH } _ { 2 } , \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHN } \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \text {, and } \left( \mathrm { CH } _ { 3 } \right) _ { 2 } \mathrm { CHCH } _ { 2 } \mathrm { NHCH } _ { 3 } \text {. }

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Which of the compounds shown below has the higher boiling point? Explain your choice. CH3CH2CH2OH or CH3CH2OCH3

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CH3CH2CH2OH has the hig...

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Draw the Newman projection for the most stable conformer of butane viewed along the C2- C3 bond.

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What is the name of the following compound? What is the name of the following compound? A) 2-methyl-3-ethylheptane B) 3-ethyl-2-methylheptane C) 5 -isopropyloctane D) 4-isopropyloctane E) 2-methyl-3-propylheptane


A) 2-methyl-3-ethylheptane
B) 3-ethyl-2-methylheptane
C) 5 -isopropyloctane
D) 4-isopropyloctane
E) 2-methyl-3-propylheptane

F) C) and D)
G) A) and D)

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How many hydrogens are attached to the indicated carbon? How many hydrogens are attached to the indicated carbon? A) zero B) one C) two D) three


A) zero
B) one
C) two
D) three

E) B) and C)
F) A) and B)

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Which compound is more soluble in water? Explain your choice. (CH3)2NH or CH3CH2CH3

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(CH3)2NH is more soluble in wate...

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Draw the Newman projection for the most stable conformer of 3,3-dimethylhexane viewed along the C3-C4 bond.

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Name the alkane shown below. Name the alkane shown below.

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3-ethyl-4,...

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Name the alkane shown below. Name the alkane shown below.

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Which of the following is a tertiary amine?


A) Which of the following is a tertiary amine? A) B) C) D) E)
B) Which of the following is a tertiary amine? A) B) C) D) E)
C) Which of the following is a tertiary amine? A) B) C) D) E)
D) Which of the following is a tertiary amine? A) B) C) D) E)
E) Which of the following is a tertiary amine? A) B) C) D) E)

F) A) and C)
G) B) and D)

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Name the alkane shown below. Name the alkane shown below.

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3-ethyl-4-...

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Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V I. Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V II. Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V III. Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V IV. Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V V. Which of the following is a staggered conformer for rotation about the Cl-C2 bond in the following compound? I. II. III. IV. V. A) I B) II C) III D) IV E) V


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

F) A) and D)
G) D) and E)

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What is the strongest intermolecular force between molecules of ethyl alcohol?


A) induced dipole-induced dipole
B) dipole-dipole, specifically hydrogen bonding
C) dipole-dipole, but not hydrogen bonding
D) ion-dipole
E) ion-ion

F) A) and B)
G) A) and C)

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Which of the following has the greatest solubility CH3CH2CH2CH2CH2CH3\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 2 } \mathrm { CH } _ { 3 } ?


A) CH3OH\mathrm { CH } _ { 3 } \mathrm { OH }
B) CH3O−Na+\mathrm { CH } _ { 3 } \mathrm { O } ^ { - } \mathrm { Na } ^ { + }
C) CH3NH2\mathrm { CH } _ { 3 } \mathrm { NH } _ { 2 }
D) CH3OCH3\mathrm { CH } _ { 3 } \mathrm { OCH } _ { 3 }
E) (CH3) 3CH\left( \mathrm { CH } _ { 3 } \right) _ { 3 } \mathrm { CH }

F) A) and C)
G) A) and B)

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Draw the Newman structure for the most stable conformer of 1-bromopropane viewed along the C1-C2 bond.

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What intermolecular forces are responsible for the interactions between alkane molecules?

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Van der Wa...

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Draw 3-ethyl-3-methylhexane.

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What is the name of the following compound? What is the name of the following compound? A) 2-cyclopentyl-4-methylhexane B) 5 -cyclopentyl-3-methylhexane C) 1 -cyclopentyl-1,3-dimethylpentane D) 2 -cyclopentyl-4-methylheptane E) 5 -cyclopentyl-3-methylheptane


A) 2-cyclopentyl-4-methylhexane
B) 5 -cyclopentyl-3-methylhexane
C) 1 -cyclopentyl-1,3-dimethylpentane
D) 2 -cyclopentyl-4-methylheptane
E) 5 -cyclopentyl-3-methylheptane

F) A) and E)
G) C) and D)

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Does this Newman projection depict the conformer of the molecule with the lowest-energy? Does this Newman projection depict the conformer of the molecule with the lowest-energy? A) Yes B) No C) There is not enough information to tell.


A) Yes
B) No
C) There is not enough information to tell.

D) None of the above
E) A) and B)

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