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The ethylene is polymerised under in the presence of ____________

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The ethylene is polymerised under in the presence of ____________

(a) Zeigler Natta catalyst

(b) Supported metal oxide catalyst

(c) Lewis acids catalyst

(d) Friedel crafts catalyst

I had been asked this question by my school teacher while I was bunking the class.

Question is from Thermoplastic Polymers in section Polymers of Engineering Chemistry I

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Right answer is (a) Zeigler Natta catalyst

For explanation: The ethylene is polymerised under 6-7 atmospheric pressure at 60-70^0C in the presence of Zeigler Natta catalyst.

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