| Item - I | Item - II | ||
|---|---|---|---|
| (a) | Natural Rubber | (I) | 1, 3-butadiene + styrene |
| (b) | Neoprene | (II) | 1,3-butadiene +acrylonitrile |
| (c) | Buna - N | (III) | Chloroprene |
| (d) | Buna-S | (IV) | Isoprene |
We know these polymers -
Correct match : (a) - (IV), (b) - (III), (c) - (II), (d) - (I)
Therefore, the correct option is (3).
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