Which Diene and Dienophile Would React to Give the Following

Q21: Predict the major product for the following

Q22: Which of the following symbols is

Q23: Which diene and dienophile would react to

Q24: How many <span class="ql-formula" data-value="\pi"><span

Q25: Identify the light-sensitive compound in rods.

Q27: Which one of the following dienes is

Q28: Which diene and dienophile would react to

Q29: Which diene and dienophile would react to

Q30: Predict the product(s) for the following reaction.

Q31: Which of the following compounds has