The correct match between item I and Item II is: Item I Item II a. Natural rubber I. 1, 3 – butadiene + syrene b. Neoprene II. 1, 3-butadiene +acrylonitrile c. Buna – N III. Chloroprene d. Buna – S IV. Isoprene
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a
a−IV,b−III,c−II,d−I
b
a−III,b−IV,c−I,d−II
c
a−III,b−IV,c−II,d−I
d
a−IV,b−III,c−I,d−II
answer is A.
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Detailed Solution
The monomer of natural rubber is isopreneIn Buna-S one of the monomer is acrylonitrileIn Buna N one of the monomer is styrene
The correct match between item I and Item II is: Item I Item II a. Natural rubber I. 1, 3 – butadiene + syrene b. Neoprene II. 1, 3-butadiene +acrylonitrile c. Buna – N III. Chloroprene d. Buna – S IV. Isoprene