Are all the five bonds in `PCl_(5)` molecule equivalent? Justify your answer

Are all the five bonds of PCl_(5) equivalent ? Justify your answer.

All the five bonds in PCl_5 are not equivalent. Justify.

All the five bonds in PCl_5 are not equivalent justify.

Are the bond energies of all the four C-H bonds in methane molecule equal ? Justify your answer.

In PCl_(5) phosphorus is in sp^(3) hybridised state but all its five bonds are not equivalent. Justify your answer with reason.