Organic Chemistry 8th Edition By L. G. Wade – Test Bank

Organic Chemistry 8th Edition By L. G. Wade – Test Bank

Organic Chemistry, 8e (Wade)

Chapter 5   Stereochemistry

1) ________ are isomers which have the same bonding sequence but differ in the orientation of their atoms in space.

Answer:  Stereoisomers

Diff: 1

Section:  5.1

2) What term describes the structural relationship between cis-1,2-dimethylcyclopentane and trans-1,3-dimethylcyclopentane?

A) not isomers

B) constitutional isomers

C) enantiomers

D) diastereomers

E) conformers

Answer:  B

Diff: 2

Section:  5.1

3) What term describes the structural relationship between (2R,3R,4S)-2,3,4-trichloroheptane and (2S,3S,5R)-2,3,5-trichloroheptane?

A) not isomers

B) constitutional isomers

C) enantiomers

D) diastereomers

E) conformers

Answer:  B

Diff: 2

Section:  5.1

4) What is the structural relationship between the two molecule shown below?

A) constitutional isomers

B) enantiomers

C) diastereomers

D) conformational isomers

E) not isomers

Answer:  A

Diff: 2

Section:  5.1

5) How many enantiomers are there of the molecule shown below?

A) 0

B) 1

C) 2

D) 3

E) 6

Answer:  B

Diff: 1

Section:  5.2

6) Which of the following incorrectly describes cis-1,2-dimethylcyclopentane?

A) It is a meso compound.

B) It is achiral.

C) It contains two asymmetric carbons.

D) Its diastereomer is trans-1,2-dimethylcyclopentane.

E) It has an enantiomer.

Answer:  E

Diff: 1

Section:  5.2

7) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?

Answer:  the same compound

Diff: 1

Section:  5.2

8) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?

Answer:  the same compound

Diff: 1

Section:  5.2

9) Which of the following terms best describes the pair of compounds shown: enantiomers, diastereomers, or the same compound?

Answer:  enantiomers

Diff: 1

Section:  5.2

10) Is the molecule shown below chiral or achiral?

(CH3)3CCH(CH3)2

Answer:  achiral

Diff: 1

Section:  5.2

11) How many asymmetric carbon atoms are present in the following compound?

A) 0

B) 1

C) 2

D) 3

E) 4

Answer:  B

Diff: 1

Section:  5.2