Deck 4: Alkanes and Cycloalkanes

Question 1

What is the structure of 3-ethyl-2,4,6-trimethyloctane?

Answer 1

Question 2

What is the structure of 3-ethyl-2-methylpentane?

Answer 2

Question 3

What is the structure of [2.2.2]bicyclooctane?

Answer 3

Question 4

What is the parent chain for the following compound?

A)octane
B)hexane
C)heptane
D)decane

Question 5

What are the structure and IUPAC names of all of the constitutional isomers of C₆H₁₄?

Question 6

What is the parent chain for the following compound?

Question 7

What is the IUPAC name for the following compound?

A)2,3,5-triethylhexane
B)2,4,5-triethylhexane
C)2,4-diethyl-5-methylheptane
D)4-ethyl-3,6-dimethyloctane

Question 8

What is the common name of the following substituent?

A)isopropyl
B)tert-butyl
C)iso-butyl
D)sec-butyl

Question 9

What is the IUPAC name for the following compound?

Question 10

What is the IUPAC name for the following compound?

A)3-isopropyl-5-ethylheptane
B)2-methyl-3-ethyl-5-ethylheptane
C)3,5-diethyl-2-methylheptane
D)2-methyl-3,5-diethylheptane

Question 11

What is the IUPAC name for the following compound?

A)2,5-diethylhexane
B)3,6-dimethyloctane
C)2-ethyl-5-methylheptane
D)2,5-dimethylheptane

Question 12

What is the structure of 1-cyclopropyl-3-methylcyclopentane?

Question 13

What is the IUPAC name for the following compound?

A)1-ethyl-2-methylcyclohexane
B)2-ethyl-1-methylcyclohexane
C)1-ethyl-2-methylhexane
D)cyclononane

Question 14

What is the IUPAC name for the following compound?

Question 15

What is the relationship between the following two compounds?

A)Constitutional Isomers
B)The same compound
C)Completely different and not constitutional isomers

Question 16

What is the relationship between the following two compounds?

A)Constitutional Isomers
B)The same compound
C)Completely different and not constitutional isomers

Question 17

What is the IUPAC name for the following compound?

Question 18

What is the parent chain for the following compound?

Question 19

What is the relationship between the following two compounds?

A)Constitutional Isomers
B)The same compound
C)Completely different and not constitutional isomers

Question 20

What is the structure of an isopropyl group?

Question 21

What is the correct stoichiometry of oxygen for the balanced oxidation reaction?

Question 22

Draw a Newman projection for the following compound as viewed down the indicated bond.

Question 23

Complete the following combustion reaction,assuming that only CO₂ and H₂O are formed.

Question 24

What is the relationship between the following two compounds?

A)Constitutional Isomers
B)The same compound
C)Completely different and not constitutional isomers

Question 25

Complete the following combustion reaction,assuming that only CO₂ and H₂O are formed.

Question 26

Draw the lowest energy conformer of the following compound.

Question 27

Draw a wedge and dash projection of the following Newman projection.

Question 28

Draw the Newman projection of the anti conformer of the following compound.

Question 29

What is the correct stoichiometry of oxygen for the balanced oxidation reaction?

Question 30

Draw an energy diagram for propane.

Question 31

Draw a Newman projection for the following compound as viewed down the indicated bond.

Question 32

Draw a wedge and dash projection of the following Newman projection.

Question 33

What is the relationship between the following two compounds?

A)Constitutional Isomers
B)The same compound
C)Completely different and not constitutional isomers

Question 34

Draw a Newman projection for the following compound as viewed down the indicated bond.

Question 35

What is the energy difference between the staggered and eclipsed conformations of 2,2,-dimethylpropane if the eclipsing cost of Me and H is 6 kJ/mol?

Question 36

Draw a wedge and dash projection of the following Newman projection.

Question 37

Draw the gauche conformer of the following compound.

Question 38

Draw the lowest energy conformer of the following compound.

Question 39

Draw the Newman projection for the eclipsed form of propane.

Question 40

What is the eclipsing cost of Br and H if the energy difference between the staggered and eclipsed conformations of bromoethane is 13 kJ/mol?

Question 41

Draw an energy diagram for rotation around the indicated bond of the following compound.

Question 42

Are the two substituents cis or trans?

A)trans
B)cis
C)neither

Question 43

Are the two substituents cis or trans?

A)trans
B)cis
C)neither

Question 44

Draw the most stable chair conformer of the most stable isomer of 1,3,5-trimethylcyclohexane.

Question 45

Draw the most stable chair conformation of the following cyclohexane.

Question 46

Draw both chair conformers for the following compound.

Question 47

Draw the most stable chair conformer of the following compound.

Question 48

Is the following labeled H axial or equatorial?

Question 49

Draw the chair conformation of cyclohexane.

Question 50

Draw the most stable chair conformation of the following cyclohexane.

Question 51

Draw a chair conformation of ethylcyclohexane with the ethyl group axial.

Question 52

Draw both chair conformers for the following compound.

Question 53

Are the two substituents cis or trans?

A)trans
B)cis
C)neither

Question 54

Draw a chair conformation of cyclohexane showing all of the equatorial H's.

Question 55

Draw the most stable chair conformer of the following compound.

Question 56

Are the two substituents cis or trans?

A)trans
B)cis
C)neither

Question 57

Draw the most stable chair conformer of the most stable isomer of 1-ethyl-3-isopropylcyclohexane.

Question 58

Draw the lowest energy conformer of the following compound.

Question 59

Draw a chair conformation of methylcyclohexane.

Question 60

Draw the other chair conformer of the following compound.

Question 61

Draw the most stable chair conformer of cis 1,4-diethylcyclohexane.

Question 62

Which is more stable?

A)A
B)B
C)neither

Question 63

Which is more stable?

A)A
B)B
C)neither

Question 64

Draw the most stable conformation of trans 1,4-diethylcyclohexane.

Question 65

Draw the lowest energy chair conformer of the most stable isomer of 4-isopropyl-1,2-dimethylcyclohexane.

Question 66

Which is more stable?

A)A
B)B
C)neither