Chem 334 - Summer 1998 - Organic Chemistry I Dr. Carl C. Wamser

Pre-Quiz 6 (Chapter 6.1 - 6.9)

1. (1 pt) When a nucleophile bonds to an electrophile, both electrons for the new bond come from

the nucleophile

2. (1 pt) Underline the stronger nucleophile in each pair:

H2O or * OH- *

H2O or * H2S *

3. (1 pt) Write a balanced equation for the SN2 reaction of methyl iodide with sodium hydroxide.

CH3I + NaOH ----> CH3OH + NaI

4. (1 pt) Arrange the four types of alkyl halides (RF, RCl, RBr, RI) in order of increasing reactivity in an SN2 reaction.

RF < RCl < RBr < RI

5. (1 pt) Arrange the following in order of increasing boiling point:

CH3Br, CH4, CH3OH, CH3F

CH4 < CH3F < CH3Br < CH3OH