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Question 50

Given below are two statements:
Statement I: Ethane at 333 to 343 K and 6-7 atm pressure in the presence of AlEt$$_3$$ and TiCl$$_4$$ undergoes addition polymerization to give LDP.
Statement II: Caprolactam at 533-543 K in H$$_2$$O through step growth polymerizes to give Nylon 6.
In the light of the above statements, choose the correct answer from the options given below:

Statement I: Ethane at 333-343 K, 6-7 atm with Ziegler-Natta catalyst (AlEt₃ + TiCl₄) gives LDP — False. These conditions actually give HDPE (High Density Polyethylene), not LDPE. LDPE requires high pressure (1000-2000 atm) with peroxide initiator.

Statement II: Caprolactam at 533-543 K in H₂O polymerizes by ring-opening to give Nylon 6 — True.

Statement I is false but Statement II is true.

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