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PCI_(5) is ionic in nature in the solid state. Give reasons. Or Solid phosphorus pentachloride behaves as an ionic compound. Explain. |
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Answer» SOLUTION :`PCI_(5)` conducts electricity in the MOLTEN state. This MEANS that in the SOLID state, it exists as `[PCI_(4)]^(+) [PCI_(6)]^(-)` in which the cation is tetrahedral and the anion is octahedral `2 PCI_(5) rarr [PCI_(4)]^(+) [PCI_(6)]^(-)` On MELTING, these ions become free to move and hence `PCI_(5)` conducts electricity in the molten state. |
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