Question:
In solid state PCl5 is a _________.
(i) covalent solid
(ii) octahedral structure
(iii) ionic solid with [PCl6]+ octahedral and [PCl4]– tetrahedra
(iv) ionic solid with [PCl4]+tetrahedral and [PCl6]– octahedral
Solution:
Option (iv) ionic solid with [PCl4]+tetrahedral and [PCl6]– octahedral is the answer.