Question

Draw the structure of PCl5 in solid state.

Answer 1

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Answer 2

Explanation:

In solid state, $PCl_{5}$ exists in two forms. One is $PCl^{-}_{4}$ and the other is $PCl^{-}_{6}$.

$PCl^{-}_{4}$ has four chlorine atoms surrounded around one phosphorous atom. Whereas $PCl^{-}_{6}$ has six chlorine atoms surrounded around one phosphorous atom.

Therefore, $PCl^{-}_{4}$ has a tetrahedral structure and $PCl^{-}_{6}$ has an octahedral structure.