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>>Class 12
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>>The p-Block Elements
>>Phosphorus Halides
>> $In the solid state PCl5 exists as:$

Question

In the solid state $P C l_{5}$ exists as:

A

$[P C l_{4}]^{-}$ and $[P C l_{6}]^{+}$ ions

B

covalent $P C l_{5}$ molecules only

C

$[P C l_{4}]^{+}$ and $[P C l_{6}]^{-}$ ions

D

covalent $P_{2} C l_{10}$ molecules only

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Updated on : 2022-09-05

Solution

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Correct option is C)

In the solid state, $P C l_{5}$ prefers to exist as oppositely charged ion like $[P C l_{4}]^{+}$ and $[P C l_{6}]^{-}$ as ionic bonding enhances the crystalline nature. The shape is more stable in the ionic form as it forms the tetrahedral and octahedral shape.

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Draw the structure of solid $P C l_{5}$ .

Which of the following pentahalides does not exist?

In solid state $P C l_{5}$ exist as an ionic solid $[P C l_{4}]^{+} [P C l_{6}]^{-}$ hybridisation state of cation and anion respectively :

In solid state $P C l_{5}$ is a :

$P C l_{5}$ is covalent in gaseous and liquid states but ionic in solid state.

$P C l_{5}$ in solid state consists of tetrahedral $P C l_{4}^{+}$ cation and octahedral $P C l_{6}^{-}$ anion

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