Organic Chemistry I

Chem 334 - Fall 2007

Pre-Quiz 1

Professor Carl C. Wamser

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Your answers must be submitted before 8:30 am, Wed., Sept. 26

1. The element with an electronic configuration of (1s)2 (2s)2 (2p)5 would be

a. boron
b. carbon
c. nitrogen
d. oxygen
* e. fluorine

2. The best example of a polar covalent bond would be found in

a. methane
b. hydrogen
c. chlorine
d. fluorine
* e. hydrogen fluoride

3. When writing the best Lewis structure for HCNO (bonded in that order), the atoms that have formal charges are

a. C and N
* b. N and O
c. C and O
d. C, N, and O
e. there would be no formal charges

4. An appropriate description of the molecular shape of CO2 is

* a. linear
b. bent
c. trigonal planar
d. tetrahedral
e. square planar

5. The weakest acid in the list below is

a. water
b. phenol
c. acetone
* d. benzene
e. tert-butyl alcohol