1.

In Zeigler-Natta polymerisation of ethylene the active species is

Answer»

`AlCl_(3)`
`Et_(3)Al`
`CH_(2)CH_(2)`
`TI^(3+)`

Solution :`Ti^(3+)` species FORM `TiCl_(3)` compound having active site VACANT which accomodate one alkyl GROUP.


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