(a)
Interpretation: A short segment of isotactic poly(vinyl chloride) is to be drawn.
Concept introduction: Isotactic, syndiotactic, and atactic are three different configuration of
(b)
Interpretation: A short segment of syndiotactic polyacrylonitrile is to be drawn.
Concept introduction: Isotactic, syndiotactic, and atactic are three different configuration of polymers, which are synthesized from monosubstituted alkene monomers
(c)
Interpretation: A short segment of atactic polystyrene is to be drawn.
Concept introduction: Isotactic, syndiotactic, and atactic are three different configuration of polymers, which are synthesized from monosubstituted alkene monomers
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