Which statement is false concerning a Natta-Ziegler catalyst
A) A Natta-Ziegler catalyst can be used to promote a polymerization that is selective for isotactic or syndiotactic polymer.
B) A Natta-Ziegler catalyst containing [Al(C2H5) 3] and TiCl3 can be used to promote the formation of specific isomers in a polymerization.
C) A Natta-Ziegler catalyst is used to make a polymerization thermodynamically favorable.
D) A Natta-Ziegler catalyst has been used by chemists to design polymers with different properties.
Correct Answer:
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