MHT CET 2026 Chemistry question

Not in JEE Main or NEET syllabus

Name the catalyst used in the manufacture of HDPE polymer.

(A)Triethyl aluminum with titanium tetrachlorideCorrect
(B)Triethyl aluminum with zinc chloride
(C)Triethyl aluminum with nickel chloride
(D)Triethyl aluminum with stannic chloride

Answer: (A)

Solution

High density polyethylene (HDPE) is made by coordination polymerisation of ethene at about 333-343 K and 6-7 atm in a hydrocarbon solvent using a Ziegler-Natta catalyst, which is triethylaluminium, , with titanium tetrachloride, . This gives a

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Question ID VK-097604