Which Statement Is False Concerning a Natta-Ziegler Catalyst

question 6

Multiple Choice

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.

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