Question

why pcl5 conducts electricity at solid state?​

Answer 1

Answer:

In solid state PCl5 exists as [PCl4]+ and [PCl6]– ions, hence conducts electricity in molten state. S-S single bond is stronger than O-O single bond. In there is lone pair-lone pair repulsion which weakens this bond so least chances of catenation.

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Answer 2

Answer:

In solid state PCl5 exists as [PCl4]+ and [PCl6]– ions, hence conducts electricity in molten state. S-S single bond is stronger than O-O single bond. In there is lone pair-lone pair repulsion which weakens this bond so least chances of catenation.