CHEM 2202 – Spring 2026 Exam 1 Questions & Answer Key (Temple University Organic Chemistry)

CHEMISTRY 2202 SPRING 2026 (2/9) Dr. S. Jasmin

Practice Questions for Exam #1


1. Dienes with adjacent  bonds are classified as ______.

A) isolated

B) cumulated

C) skipped

D) conjugated

E) none of these



2. Which of the following compounds have conjugated double bonds?




II III IV V
I



3. What is the IUPAC name for the following compound?
Cl




A) 1-chloro-1-methyl-2,5-cyclohexadiene

B) 3-chloro-3-methyl-1,4-cyclohexadiene

C) 6-chloro-6-methyl-1,4-cyclohexadiene

D) 2-chloro-2-methyl-1,3-cyclohexadiene

E) None of these

,4. Provide the structure for (E)-1,3-pentadiene.



5. Predict the product for the following reaction.

(CH3)3COK


Br



•
O
Br
I II III IV


A) I

B) II

C) III

D) IV

E) both I & III



6. Provide the reagents necessary to carry out the following conversion.




7. Provide the structure of the 1,4 addition product for the reaction of 1,3-hexadiene with
Br2/CCl4.

, 8. A reaction under kinetic control will yield :

A) the most stable product.

B) the product that can be formed in the fewest steps.

C) the product whose formation requires the smallest free energy of activation.

D) the product with the greatest potential energy.

E) None of these



9. Which of the following dienes can undergo the Diels-Alder reaction?




III
II IV
I


A) I

B) II

C) III

D) IV

E) All of the these



10. Which one of the following dienophiles is most reactive in the Diels-Alder reaction?
O
OCH3


O

V
IV
I II
O
III

A) I

B) II

C) III

D) IV

E) V