Question

why bonds of pcl5 are not equivalent?

Answer 1

For this type of structure every equitorial bonds are repulshed with two bond therefore every axial bonds are repulshed with there bond.so the length of axial bonds are higher than equitorial bonds.

Answer 2

Due to inter electronic repulsion between cl-cl and differ in angle b|wthem,identify the pcl5 has two axial lines and 3 equatorial line.
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