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The catalyst triethyl aluminium and tita...

The catalyst triethyl aluminium and titanium tetrachloride finds use in the formation of the polymer

A

teflon

B

low density polythene

C

polyacrylonitrile

D

high density polythene

Text Solution

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The correct Answer is:
D
The catalyst triethyl aluminium and titanium tetrachloride are an organoaluminium compounds. Triethyl aluminium is a dimer. So, it is mainly used as a co-catalyst in the industrial production of polyethylene and polypropylene. Triethyl aluminium and titanium tetrachloride is known as Zieglar-Natta catalyst and used in preparation of high density polythene. For example
`n(CH_(2)=CH_(2)) underset(TiCl_(4))overset(Al(C_(2)H_(5))_(3))(rarr)underset("Polythene")((-CH_(2)-CH_(2)-)_(n))`
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