ATTENTION: I will not be able to provide you with a copy of the Final exam for the Fall 98 term as I promised in lecture because there was no final exam given that quarter! [The Winter 99 quarter was the first term I started giving final exams in 130BL.]
130BL FINAL EXAM CONDENSED ANSWER KEY

1 & 2. See course reader

3.

a) 134 peak b. c) 91 d.

e) M+1 peak which is 12C813C11H1016O1

4.

5. No. Trans-cinnamaldehyde was used and thus only trans,trans and the cis,trans isomers were possible. Appropriate structures needed for full credit.

6. The nitronium ion is a stronger electrophile. Experimental observations support this. Deactivated aryl compounds can by polynitrated. In general, aryl compounds cannot undergo polyacylation. Appropriate examples needed for full credit.

7. Water is a stronger base then nitric acid. Thus, the water is a better competitor for the proton from sulfuric acid preventing protonation of the nitric acid. Also, water is a product. Excess water would drive the reaction to the left.

8. 9.

10. Mesitylene

11 .