McMurry, pp 375-377:
Problems 12.24-30, 32, 38-40, 50
1. Write all the resonance forms for protonated imidazole. One is shown below.
2. Predict whether the following acid-base equilibria would be more favorable to the right or to the left. Use pKa data from your text.
a) 
b) 
c) 
3. Given an optically active sample of 1-amino-1-phenylethane, write a series of reactions that could be used to resolve a racemic mixture of 2-methylbutanoic acid.
