Organic Chemistry I |
Pre-Quiz 9 |
Professor Carl C. Wamser |
You must log on to WebCT to submit your answers.
Your answers must be submitted before 8:30 am, Wed., Nov. 21
Organic Chemistry I |
Pre-Quiz 9 |
Professor Carl C. Wamser |
You must log on to WebCT to submit your answers.
Your answers must be submitted before 8:30 am, Wed., Nov. 21
1. The compound below with the most acidic C-H bond is
a. 1-butene
b. cis-2-butene
* c. 1-butyne
d. 2-butyne
e. butane
2. The acid-base reaction below that would be MOST favored to the right is
a. acetylene + NaOH
* b. acetylene + NaNH2
c. acetylene + H2O
d. acetylene + NH3
e. acetylene + H2
3. A trans-alkene can be prepared from an alkyne using
a. catalytic hydrogenation
b. E2 elimination
c. NaNH2
* d. Na in NH3
e. Lindlar catalyst
4. Synthesis of 1-pentyne might be accomplished by reaction of sodium acetylide with
a. 1-bromopentane
b. 1-bromobutane
* c. 1-bromopropane
d. bromoethane
e. bromomethane
5. Addition of two equivalents of HBr to 1-pentyne will give
a. 1,1-dibromopentane
b. 1,2-dibromopentane
* c. 2,2-dibromopentane
d. 1,1,2,2-tetrabromopentane
e. 1-pentene