1. Nomex is a flame resistant polymer developed by DuPont in the 1960s. It is made by polymerizing benzene-1,3-diamine and isophthaloyl chloride. a) Draw three repeating units of Nomex. b) How many peaks will there be in the 1 H NMR spectrum of Nomex, assuming a polymer strand is infinitely long? c) How many peaks will there be in the 13 C NMR spectrum of Nomex, assuming a polymer strand is infinitely long?
1. Nomex is a flame resistant polymer developed by DuPont in the 1960s. It is made by polymerizing benzene-1,3-diamine and isophthaloyl chloride. a) Draw three repeating units of Nomex. b) How many peaks will there be in the 1 H NMR spectrum of Nomex, assuming a polymer strand is infinitely long? c) How many peaks will there be in the 13 C NMR spectrum of Nomex, assuming a polymer strand is infinitely long?
Chapter30: Orbitals And Organic Chemistry: Pericyclic Reactions
Section30.SE: Something Extra
Problem 12VC
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1. Nomex is a flame resistant
is made by
a) Draw three repeating units of Nomex.
b) How many peaks will there be in the 1 H NMR spectrum of Nomex,
assuming a polymer strand is infinitely long?
c) How many peaks will there be in the 13 C NMR spectrum of Nomex,
assuming a polymer strand is infinitely long?
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shouldn't there be 7 unique H peaks, and 9 unique c peaks
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