Name:
Date:
Homework 1. C1hw1
1) Draw a correct Lewis structure for chloromethane, CH3Cl.
2) Draw a correct Lewis structure for boric acid, B(OH)3.
3) Draw a correct Lewis structure for t-butanol, (CH3)3COH.
4) Covalent bonds may be polar or nonpolar. What property of the atoms forming
a given bond determines this?
5) The compound methylamine, CH3NH2, contains a C-N bond. In this bond, which of the following best describes the
charge on the carbon atom?
A) +1 B) slightly positive C) uncharged D) slightly negative E) -1
6) The formal charge on oxygen in dimethyl ether, CH3OCH3, is:
A) +2 B) +1 C) 0 D) -1 E) -2
7) The Lewis structure of trimethylamine is shown below. Draw the condensed
structural formula which corresponds to this Lewis structure.(CH3)3N:
8) Draw a correct Lewis structure for acetaldehyde, CH3CHO.
9) The conjugate acid of ammonia, NH3, is:
A) NH2OH B) NH4+ C) NH2- ) none of the above