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Which of the following monomers is most likely to undergo anionic polymerization?

Which one of the following monomers will produce polyisoprene?

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 monomers will produce polyisoprene?

In which type of polymer are the chains packed less tightly together, resulting in lower melting points and a softer texture?

Which of the following is a D-aldopentose?

In which type of polymer are the chains packed less tightly together, resulting in lower melting points and a softer texture?

Which one of the following is (are) a biopolymer?

Which of the following statements about methyl β-L-glucopyranoside is correct?

Which of the following statements is(are) true concerning the equilibrium between the α- and β-pyranose forms of D-glucose? I. The interconversion is acid-catalyzed. II. Both anomers are equally stable. III. Both anomers are optically active.