Question

Phosphorus pentachloride in the solid exists as:
(a) PCI5
(b) PCl4^+Cl^-
(c) PCI4^- PCI6^_
(d) PCI5Cl2​

Answer 1

Answer:

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Explanation:

In the solid state it exists as an ionic solid, [PCl4]

+

[PCl6]

−

. The cation, [PCl4]

+

is tetrahedral and sp

3

hybridised. The anion, [PCl6]

−

is octahedral and is sp

3

d

2

hybridised.