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JAMB Chemistry 2019 Paper

Question : 8

Total: 80

A synthetic rubber is not obtained from the polymerization of?

Solution:

Concept:

Synthetic rubber is made by addition polymerization of unsaturated diene monomers; saturated alkanes cannot polymerize to form rubber.

Explanation:

Isoprene and butadiene are diene monomers used in making rubber.

Hexane is a saturated alkane with no

\mathrm{C}=\mathrm{C}

double bond, so it cannot undergo addition polymerization to form a synthetic rubber.

Answer:

D. hexane

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