CH-1205
Simple molecular structures
Chemistry · Secondary 4 · Medium · Simple molecular structures
Poly(chloroethene) (PVC) is used to coat electrical wires. Which statement best explains this use in terms of structure and properties?
- PVC has no mobile electrons or ions, so it does not conduct electricity.
- PVC has delocalised electrons that conduct electricity easily.
- PVC contains free ions that move and conduct electricity.
- PVC has a giant metallic lattice that stops current flowing.
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