1. Which of the following compounds will show the methyl absorption at the larger chemical shift in the proton magnetic resonance spectrum? Explain your reasoning in detail....answer.

2. Calculate the CMR absorption of the carbon atom marked by the star in the following compound...answer.

3. Calculate the CMR absorption of the carbon atom marked by the star in the following compound...answer.

4. Calculate the CMR absorption of the carbon atom marked by the star in the following compound...answer.

5. Predict and explain the CMR chemical shift for the terminal alkene carbon atom (marked by a star) in the following compound as compared to ethene, H₂C=CH₂...answer.

Copyright © January 2002 by Richard C. Banks...all rights reserved.