Quiz 1

1. (2 points) Write a good Lewis structure for CH2CO , including lone pairs and accurate geometry at the carbon atoms.

2. (2 points) Write two good resonance forms for CH3N3 . The atoms are bonded CNNN, with no rings.

3. (6 points) Complete acid-base reactions for each of the following as they react with water.
(You need to select whether they are more likely to act as an acid or a base towards water.)
Identify the pKa values for each acid that appears in your balanced reaction.
For each reaction, predict whether the equilibrium will lie farther to the right or to the left.

a) HCN

b) CH3^-

c) NH3