Organic Chemistry II

Professor Carl C. Wamser

Chem 335 - Winter Term

Pre-Quiz 14

(must be done in D2L before Fri., Feb. 10, 8:30 am)

1. Vinyllithium would have the molecular formula

a) CH2Li

b) CH3Li

* c) C2H3Li

d) C3H5Li

2. In general, the order of acidity of C-H bonds is (greatest to smallest acidity)

* a) sp > sp2 > sp3

b) sp > sp3 > sp2

c) sp2 > sp > sp3

d) sp3 > sp2 > sp

3. A carbene is a reactive intermediate in which carbon ha

a) 2 bonds and a total of 4 electrons

b) 2 bonds and a total of 5 electrons

* c) 2 bonds and a total of 6 electrons

d) 3 bonds and a total of 6 electrons

e) 3 bonds and a total of 7 electrons

4. Addition of a methyl Grignard reagent to a ketone will give

a) a 1° alcohol

b) a 2° alcohol

* c) a 3° alcohol

d) a ketone

e) a carboxylic acid

5. Olefin metathesis is a method for preparation of

* a) alkenes

b) cyclopropanes

c) alkynes

d) alcohols

e) ketones