2-Hydroxypropanenitrile can be used in the synthesis of the monomer, acrylonitrile, CH2=CHCN.
a. Suggest a suitable reagent and conditions for the conversion of 2-hydroxypropanenitrile into acrylonitrile.
Reagent _____
Conditions _____
b. Draw a section of the polymer polyacrylonitrile, showing three repeating units.