Which one of the following statements is not true? a.Natural rubber has the trans-configuration at every double bondb.Buna-S is a copolymer of butadiene and styrenec.In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger.d.Natural rubber is a 1, 4-polymer of isoprene
Question
Which one of the following statements is not true? a.Natural rubber has the trans-configuration at every double bondb.Buna-S is a copolymer of butadiene and styrenec.In vulcanization, the formation of sulphur bridges between different chains make rubber harder and stronger.d.Natural rubber is a 1, 4-polymer of isoprene
Solution
The statement that is not true is: a. Natural rubber has the trans-configuration at every double bond.
Natural rubber, which is a polymer of isoprene, actually has a cis-configuration at every double bond. This configuration allows the chains to bend and flex, which gives rubber its characteristic elasticity. If it had a trans-configuration, the chains would be more rigid and the material would not have the same properties.
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