Which of the following is true of pericyclic reactions?

Identify the products of the 1,2-addition for the following reaction.

Rank the following dienes in order of increasing stability (least to most).

Which of the following dienophiles is least reactive in a Diels-Alder reaction?

A thermodynamically-controlled process describes a reaction that ________.

Rank the following dienes in order of decreasing heat of hydrogenation (highest to lowest).

Identify the major products possible from the following reaction?

Identify the expected major product(s) for the following reaction.

The Diels Alder reaction is a concerted reaction. Define concerted.

Identify the diene and dienophile expected to produce the Diels-Alder product shown in the box below.