Chem 335 - Winter 2002
Organic Chemistry II
Dr. Carl C. Wamser
In order to do this pre-quiz, you must log in to the class WebCT site.
This pre-quiz must be submitted via WebCT before Wednesday morning, January 23, 8:30 am.
1. Which of the following is an allylic bromide?
1) 1-bromopropene
2) 2-bromopropene
* 3) 3-bromopropene
4) all of the above
5) none of the above
2. Which of the following is a conjugated diene?
1) benzene
2) 1,2-pentadiene
* 3) 1,3-pentadiene
4) 1,4-pentadiene
5) none of the above
3. A reaction that is said to follow kinetic control produces as a major product
1) one that is more stable than any other product
* 2) one that is not the most stable product
3) one that has the highest activation energy
4) one that is formed slowest
5) one that is isomeric with the other products
4. Which of the following has the lowest heat of hydrogenation?
1) 1,2-hexadiene
2) (E)-1,4-hexadiene
3) (Z)-1,4-hexadiene
* 4) (E)-1,3-hexadiene
5) (Z)-1,3-hexadiene
5. How many constitutional isomers would be expected as products in the NBS allylic bromination of 1-methylcyclohexene?
1) 1
2) 2
3) 3
4) 4
* 5) 5