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.

You have to enable Java and JavaScript on your machine ! 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