A Comprehensive Diels-Alder Question

The Diels-Alder reaction requires diene and dienophile reactants which combine to form a product called the adduct. This problem tests your understanding of this important reaction.
Create a problem by selecting a problem number and a format from the lists on the right below. When the Show Problem button is pressed a reaction in which one of the components is missing will be displayed in the drawing window. Specific commentary may be presented in the information window beneath. Using the drawing window, draw a structural formula for the missing compound. Use the Erase Window button to remove the drawings in the window.
Once you have drawn your answer, press the Check Answer button to have it evaluated. Press the Reset button before trying a new problem.