3) a) One bromine atom is in an axial conformation, while the other bromine atom

ID: 886003 • Letter: 3

Question

a) One bromine atom is in an axial conformation, while the other bromine atom is in an equatorial conformation

b) This compound should be properly called trans-1,3-dibromocyclohexane

c) Both bromine atoms are in an axial conformation

d) Both bromine atoms are in an equatorial conformation.

e) This compound should be properly called cis-1,3-dibromocyclohexane.

6) What would be the relative positions of the substituents in the most stable conformation of trans-1,2-dimethylcyclohexane?

a) 1 methyl group is axial and 1 methyl group is equatorial.

b) Both methyl groups are equatorial.

c) Both methyl groups are axial.

a) Both bromine atoms are in an equatorial conformation.

b) This compound should be properly called cis-1,4-dibromocyclohexane.

c) This compound should be properly called trans-1,4-dibromocyclohexane.

d) Both bromine atoms are in an axial conformation.

e) One bromine atom is in an axial conformation, while the other bromine atom is in an equatorial conformation.

8) What would be the relative positions of the substituents in the most stable conformation of trans-1-t-butyl-2-methylcyclohexane?

a) t-butyl group is equatorial; methyl group is equatorial

b) t-butyl group is equatorial; methyl group is axial

c) t-butyl group is axial; methyl group is equatorial

d) t-butyl group is axial; methyl group is axial

9) What would be the relative positions of the substituents in the most stable conformation of cis-1,3-dimethylcyclohexane?

a) 1 methyl group is axial and 1 methyl group is equatorial.

b) Both methyl groups are equatorial.

c) Both methyl groups are axial.

1. Axial

2. Equatorial

3. (a) One bromine atom is in an axial conformation, while the other bromine atom is in an equatorial conformation

(b) This compound should be properly called trans-1,3-dibromocyclohexane

4. Equatorial

5. Axial

6. b) Both methyl groups are equatorial

7.(a) Both bromine atoms are in an equatorial conformation. b) This compound should be properly called cis-1,4-dibromocyclohexane

8.b) t-butyl group is equatorial; methyl group is axial

9.b) Both methyl groups are equatorial.

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