Portage Learning Principles of Organic Chemistry Chem 219 Module 3 Exam

Portage Learning Principles of Organic Chemistry
Module 3 Exam
Question 1

Characterize each of the following objects as being chiral or achiral.

a. Javelin
b. Champagne Flute
c. Ice Skate
d. Pen
e. Threaded Bolt

Answer

a. Achiral
b. Achiral
c. Chiral
d. Achiral
e. Chiral



Question 2

Draw each of the following structures on a piece of paper. Identify any stereocenters in
each by indicating the carbon number corresponding to stereocenter. If there are no
stereocenters in a compound, state “none”.

A. 1,2-dimethylcyclohexane
B. 2,3,4-trimethylhexane
C. 1-bromo-1,2-dichloropropane

Answer

, Question 3

Assign a priority order (1-4; 1 is greatest priority) to the following four groups for the
purposes of determining R and S configurations at a stereocenter.

Answer




Question 4

Based on the direction of twist of the following groups, assign an R or S orientation.