Chem 335 - Winter 2002
Organic Chemistry II
Dr. Carl C. Wamser

Chapter 14 Pre-Quiz

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 Friday morning, February 15, 8:30 am.

1. Which of the following would be an appropriate name for a Grignard reagent?

1) methyllithium

2) dimethylmagnesium

3) lithium dimethylcuprate

4) methylmagnesium alcohol

* 5) phenylmagnesium chloride

2. The 18-electron rule helps to explain bonding in

1) Grignard reagents

* 2) transition metals

3) carbenes

4) lithium organometallics

5) aromatic ions

3. Alkanes can be synthesized by coupling organocuprates with

* 1) alkyl halides

2) alcohols

3) Grignard reagents

4) transition metal catalysts

5) carbenoids

4. Tert-butyl alcohol could be made by the reaction of a methyl Grignard reagent with

1) an aldehyde

2) a ketone

3) an ester

* 4) more than one of the above

5) none of the above

5. The most polar bond below is

1) C-Cl

* 2) C-Li

3) C-Cu

4) C-Mg

5) Li-Cu