CHEM 2132L Quiz 1 10-21-97

 

 

  1. What was the purpose of the aqueous sodium bisulfite in the first part of the experiment where the bromine addition has been performed?

    2.  

  2. What was the purpose of refluxing diethylmaleate with zinc and ZnBr2?

    3.  

  3. Describe each of the following reactions as stereoselective, stereospecific or neither.

    4.  

     

  4. Draw the meso and d,l isomers of 2,3-butanediol and indicate which is which.

    5.  

     

  5. Explain how you would differentiate between the following isomers: