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Tardigrade
Question
Chemistry
The catalyst used in Zeigler process for polyethylene manufacture
Q. The catalyst used in Zeigler process for polyethylene manufacture
1237
231
Surface Chemistry
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A
consists of aluminium triethyl and titanium tetrachloride
B
is vanadium pentoxide
C
consists of aluminium chloride and titanium dioxide
D
is finely divided nickel
Solution:
In Ziegler process, ethylene is passed under a pressure of
6
atmospheres at a temperature of
60
−
7
0
∘
C
into a suspension of titanium tetrachloride
(
T
i
C
l
4
)
and aluminium triethyl
[
A
l
(
C
2
H
5
)
3
]
in an inert solvent like heptane.