Comparing Stereoformulas

Select a problem from the list on the right. When the Show Problem button is pressed two isomeric structural formulas will be displayed in the drawing window. You are asked to designate the relationship of these isomers by checking one or more of the six descriptions beneath the window. Your answer is evaluated by the Check Answer button.


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They are identical        They are not stereoisomers
They are enantiomers       They are diastereomers
One (or both) is chiral         One (or both) is achiral

Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12

This script written by William Reusch, Dept. of Chemistry, Michigan State University. Please send comments and corrections to
JME Molecular Editor v2002.05 by: by Peter Ertl