Chem 334 - Fall 1999
Organic Chemistry I

Dr. Carl C. Wamser

Chapter 1 Pre-Quiz

1. According to the relative electronegativities, a bond between carbon and silicon would be expected to be

a) nonpolar

b) polar, with a greater positive charge on carbon

c) polar, with a greater positive charge on silicon

d) ionic

2. When a sodium atom ionizes to become a sodium cation,

a) it loses a 2s electron

b) it gains a 2s electron

c) it shares a 2s electron

d) it loses a 3s electron

e) it gains a 3s electron

3. Which of the following could have the molecular formula C3H8 ?

a) an alkane

b) a cycloalkane

c) an alkene

d) an alcohol

e) none of the above

4. Which compound will have bond angles closest to 120° ?

a) cyclopropane

b) propane

c) water

d) methanol

e) ethylene

5. The hybridization of carbon in CO2 is

a) sp

b) sp2

c) sp3

d) unhybridized