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The correct match between Item-I and Item-II is : Item-I Item-II (a) High density polythene (I) Peroxide catalyst (b) Polyacrylonitrile (II) Condensation at high temperature & pressure (c) Novolac (III) Ziegler-Natta Catalyst (d) Nylon 6 (IV) Acid or base catalyst

1. (a) → (IV), (b) → (II), (c) → (I), (d) → (III)
2. (a) → (III), (b) → (I), (c) → (IV), (d) → (II)
3. (a) → (II), (b) → (IV), (c) → (I), (d) → (III)
4. (a) → (III), (b) → (I), (c) → (II), (d) → (IV)

Correct answer: (a) → (III), (b) → (I), (c) → (IV), (d) → (II)

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