Phosphorus pentachloride () exists as a covalent hybridized monomer in the gas phase. What is its hybridization state and geometry in the solid crystalline state?

Question

Phosphorus pentachloride ($PCl_5$) exists as a covalent $sp^3d$ hybridized monomer in the gas phase. What is its hybridization state and geometry in the solid crystalline state?

Prashant Kotian · Accepted Answer

Correct answer: B. In the solid state, undergoes auto-ionization to form ionic and to stabilize its structure. The cation has 4 bond pairs (, tetrahedral) and the anion has 6 bond pairs (, octahedral).

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