Among cellulose, polyvinyl chloride (pvc) ,Nylon and Natural rubber, the polymer in which the intermolecular force of attraction is weakest is?

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Nylon

Polyvinyl chloride (pvc)

Cellulose

Natural rubber

answer is D.

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Detailed Solution

Natural rubber is cis-1,4-polyisoprene. It has long flexible chains, weak intermolecular forces and exhibits elastic properties. Natural rubber contains ‘C’ & ‘H’ atoms only. Thus, it has non-polar C-H bonds and weak vanderwaals forces of attraction. On the other hand, cellulose pvc & nylon contains C,H & Heteroatoms (Cl, N,O) thus, they have polar bonds & dipole interactions.

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