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8 Cards in this Set
- Front
- Back
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Why major product is more stable. |
Alkyl groups are electron donating groups. The electron donating nature of alkyl groups has a positive inductive effect on adjacent groups. (+I) the methyl groups decrease the charge density on thd carbocation, stabilising it. |
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Addition polymerization |
It occurs when monomer units join together without losing any molecules or atoms to form the long chain molecule, the polymer. |
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Why alkene undergo addition polymerization |
Breaking of pie bond in C=C |
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Polymer |
Long chain molecule made up of repeating patterns |
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Polyethene |
Ethene To make bags, toys |
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Polychloroethene/ Polyvinyl chloride |
Chloroethene To make pipes, raincoats, flooring mats, electric insulation tape |
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Polystyrene / polyphenylethene |
Benzene group attached To make disposable containers, for packaging |
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Polytetrafluoroethene Teflon PTFE |
Inert, resistant to heat and chemical attack Non stick coating on pans, water proof clothes |
