Phosphorus pentachloride () exists as a covalent monomer in the gaseous phase. In the solid state, it exists as an ionic solid consisting of and ions. What are the respective hybridization states of t

Question

Phosphorus pentachloride ($PCl_5$) exists as a covalent monomer in the gaseous phase. In the solid state, it exists as an ionic solid consisting of $PCl_4^+$ and $PCl_6^-$ ions. What are the respective hybridization states of the Phosphorus atom in $PCl_5(g)$, $PCl_4^+(s)$, and $PCl_6^-(s)$?

Prashant Kotian · Accepted Answer

Correct answer: A. In gaseous , Phosphorus forms 5 bonds with 0 lone pairs (), yielding hybridization. In the solid state, has 4 bonds (), yielding (tetrahedral), and has 6 bonds (), yielding (octahedral).

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