FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 5: Stereochemistry

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 61

Multiple Choice

Review LaterAdd Note

Review Later

If (S) -glyceraldehyde has a specific rotation of -8.7°, what is the specific rotation of (R) -glyceraldehyde?

A) 0.0°
B) -8.7°
C) +8.7°
D) cannot be determined from the information given

Correct Answer

verified

Show Answer

Question 62

Multiple Choice

Review LaterAdd Note

Review Later

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

A) not isomers
B) constitutional isomers
C) enantiomers
D) diastereomers
E) conformers

Correct Answer

verified

Show Answer

Question 63

Essay

Review LaterAdd Note

Draw the Fischer projection of (2R,4R)-2,4-dibromopentane.

Draw the structure of (2R,3S)-2,3-dichloropentane. Take particular care to indicate three-dimensional stereochemical detail properly.

Which of the following $\underline{\text{ incorrectly }}$ describes $\underline{\text{ cis }}$ -1,2-dimethylcyclopentane?

How many asymmetric carbon atoms are present in the molecule shown?

Which of the following statements correctly pertains to a pair of enantiomers?

What term describes the structural relationship between (E) - and (Z) -2-pentene?

Provide a Fischer projection of (2S,3S,4S)-2,3,4-trichloroheptane.

Draw the structure of the meso form of 1,3-dichlorocyclopentane. Take particular care to indicate three-dimensional stereochemical detail properly.

Use the following three structures to answer the questions below. -The relationship between I and II is: ________.

Is the molecule shown below chiral or achiral?

Label each asymmetric carbon in the compound below as R or S.

If a mixture contains 75% of one compound and 25% of its enantiomer, what is the e.e. of the mixture?

Label each asymmetric carbon in the compound below as R or S.

If possible, draw the structure of the enantiomer of the molecule shown below.

A newly isolated natural product was shown to be optically active. If a solution of 2.0 g in 10 mL of ethanol in a 50 cm tube gives a rotation of +2.57°, what is the specific rotation of this natural product?

Draw the structure of (1R, 2R)-1-bromo-2-chlorocyclobutane. Take particular care to indicate stereochemistry properly.

Label each asymmetric carbon in the compound below as R or S.

Which of the following terms best describes the pair of compounds shown: $\underline{\text{ enantiomers, diastereomers }}$ , or $\underline{\text{ the same compound? }}$