Consider the following structures.Answer the following questions by placing the appropriate number or indicated letter in the blank. Structure ____ represents a aldopentose.

The strength of the thermosetting polymers like Bakelite is due to ____________.

Predict the product(s) for the following Kiliani-Fischer synthesis.    

Which one of the following is the correct stereochemical configuration for D-xylose?  

Consider the following structures. Answer the following questions by placing the appropriate number or indicated letter in the blank. Structure ____ represents a ketohexose.

Bonus question Provide an efficient stepwise synthesis for the following.            The answer should be entered as in the following example: (this is an example!) 1. NaNH2   2. CH3CH2Br   3. H2, Lindlar’s Cat.    4. BH3, THF   5. H2O2, NaOH                          (Keep three spaces between each step) All chemicals and reagents  structures should be correct and with the proper sequence. No partial credit.

Which one of the following is the correct stereochemical configuration for D-xylose?  

Consider the structure shown below.         This is an example ofa. a polyurethaneb. a polyesterc. a polyamided. a polycarbonate

Which of the following is a region of a random copolymer constructed from isobutylene and vinyl fluoride?

Bonus question Provide the IUPAC name of the monomer(s) used to prepare the following polymer.